If a-b 9 and ab 10 then find 5 a2 + b2

Author: awzi

August undefined, 2024

WebSolution Verified by Toppr Given, a + b = 5 and a 2+b 2=13 On squaring a + b = 5 both sides, we get (a+b) 2=(5) 2 a 2+b 2+2ab=25 13+2ab=25⇒2ab=25−13=12 ⇒ab=12/2=6 ∴ab=6 Was this answer helpful? 0 0 Similar questions If a 2+b 2+c 2=20 and a+b+c=0, find ab+bc+ca. Medium View solution > If (a 2+b 2)=29 and ab=10; find : a−b Easy View … Web6 feb. 2024 · 3 Answers. a 2 = b 2 means a 2 − b 2 = 0 and so ( a − b) ( a + b) = 0. Thus a = b or a = − b. I addressed that at the end of my post but appreciated nonetheless. That is correct, from the logical point of view. But it is incomplete. You proved correctly that, if a 2 = b 2, then a = b .

If a - b = - 7 and a2 + b2 = 85, then find ab. - ExamCompetition

WebIf a + b + c = 9, and a2+b2+c2 =35, find the value of a3+b3+c3−3abc. Q. If a3+b3+c3 =3abc and a+b+c=0, then find (b+c)2 3bc + (c+a)2 3ac + (a+b)2 3ab. Q. If a3 + b3 + c3 … Web31 okt. 2024 · Calculation: a + b + c = 9. ⇒ (a + b + c)2 = 92. ⇒ a2 + b2 + c2 + 2 × (ab + bc + ac) = 81. ⇒ 29 + 2 × (ab + bc + ac) = 81. ⇒ (ab + bc + ac) = 26. ⇒ (a2 + b2 + c2) - (ab … hamster in japanese translation

[Solved] If a + b + c = 9 and a2 + b2 + c2 = 29, Then find the value

Web18 apr. 2024 · a + b - c = 5 and ab - bc - ac = 10 Concept used: (a + b - c)2 = a2 + b2 + c2 + 2ab - 2bc - 2ac Calculation: (a + b - c)2 = a2 + b2 + c2 + 2ab - 2bc - 2ac ⇒ (5) 2 = a2 + b2 + c2 + 2 (ab - bc - ac) ⇒ 25 = a2 + b2 + c2 + 2 × 10 ⇒ a2 + b2 + c2 = 25 - 20 ⇒ a2 + b2 + c2 = 5 ∴ The value of a2 + b2 + c2 is 5. Download Solution PDF Share on Whatsapp Webb2+10b+24=0 Two solutions were found : b = -4 b = -6 Reformatting the input : Changes made to your input should not affect the solution: (1): "b2" was replaced by "b^2". Step by step ... a3+a2+2ab-3b2 Final result : a3 + a2 + 2ab - 3b2 Reformatting the input : Changes made to your input should not affect the solution: (1): "b2" was replaced by ... hamster in inglese

If a+b+c=9 and a2+b2+c2=35 find the value of a3+b3+c3 3 a b

If ab = 10 and a2 + b2 = 30, then solve for y in y = (a + b)2?

WebQuestion If a−b=5 and ab=12, find the value of a 2+b 2. Medium Solution Verified by Toppr Correct option is A) Formula, (a−b) 2=a 2+b 2−2ab 5 2=a 2+b 2−2(12) a 2+b … Web30 mrt. 2024 · 5. Convert the following areas intos 10 sq.m (c) 3.65 sq ⋅ m (a) 46 sq.cm 6. If two cubical cardboard boxes of side 8 m each are arranged one on top of the (c) 547 sq.cm other, what is the surface area of the stack? 7. An electricity pole has a height of 6 m and a radius of 0.21 m.What is the total surface area of the pole? hamster in heat behaviorWeb19 jul. 2024 · Answer: given that - a-b=3 and ab=10 Step-by-step explanation: it is given that find the value of a²+b²-2ab - (a-b)²-2ab - (3)²-2*10 9-20 -11 therefore answer is -11 Advertisement somil7718 Step-by-step explanation: a-b=3......... (I) ab=10......... (II) From (I) :- a-b=3 a=3+b......... (III) Now, putting the value a=3+b in (III) :- ab=10 bury iass

"WebMedium Solution Verified by Toppr Correct option is D) Given, a+b+c=9 and ab+bc+ca=26. We know, (a+b+c) 2=a 2+b 2+c 2+2ab+2bc+2ca ⇒(a+b+c) 2=a 2+b 2+c 2+2(ab+bc+ca). Putting the values here, we get, (9) 2=a 2+b 2+c 2+2(26) ⇒81=a 2+b 2+c 2+52 ⇒a 2+b 2+c 2=81−52=29. Hence, option D is correct. Was this answer helpful? 0 0 Similar questions " - If a-b 9 and ab 10 then find 5 a2 + b2

If a-b 9 and ab 10 then find 5 a2 + b2

If a + b = 5 and ab = 6 , then find a^2 + b^2 - Toppr Ask

WebClick here👆to get an answer to your question ️ If a - b = 3 and ab = 10 , find a^3 - b^3 = . Solve Study Textbooks Guides. Join / Login >> Class 9 >> Maths >> Polynomials ... If a + b = 1 0 and a b = 2 1, then find the value of a 3 + b 3. Easy. View solution > View more. More From Chapter. Polynomials. View chapter > Web11 nov. 2024 · A2+b2=58 (a+b)=10 sqauring both the sides A2+b2+2ab=100 58+2ab=100 2ab=42 ab=21 (A+b)3= A3+b3+3ab (a+b) A3+b3+3 (21) (10)=1000 A3+b3=1000-630 …

Did you know?

WebAnswer (1 of 43): Given, a-b = 8 This implies that a = b + 8. Now, this value of a is to be used in the other given equation ab = 9 (b + 8)b = 9 8b + b^2 - 9 = 0 This is a quadratic … WebIf a+b+c =9 and a² + b²+ c²=35 find the value of a³ + b³ + c³ - 3ab Solution (a+b+c)²=9²=81 a²+b²+c²+2ab+2bc+2ca=81 a²+b²+c²+2ab+2bc+2ca- (a²+b²+c²)=81-35 2ab+2bc+2ca=46 2 (ab+bc+ca)=46 (ab+bc+ca)=23 a³+b³+c³-3abc= (a+b+c) (a²+b²+c²-ab-bc-ca) =9 (35- (ab+bc+ca)) =9 (35-23) =9 (12)=108 Suggest Corrections 26 Similar questions Q.

WebIf a+b+c=10 and a2+b2=58,find the value of a3+b3. Login. Study Materials. NCERT Solutions. ... ab = 21. And also (a + b) ... ∴ a 3 + b 3 = 370. Suggest Corrections. 48. Similar questions. Q. Given, a + b = 10, a 2 + b 2 = 58, then find a 3 + b 3 = Q. If a+b+c =9 and a² + b²+ c²=35 find the value of a³ + b³ + c³ - 3ab. Q. If a + b = 12 ... WebGiven:a+b =10a2+b2 =58Since, (a+b)2 =a2+b2+2ab102 = 58+2ab100 = 58 + 2ab42 = 2abab = 21And also (a+b)3 =a3+b3+3ab(a+b)103 = a3+b3+3ab(a+b)1000 …

Web29 dec. 2016 · 12. When A, B commute you can apply the binomial theorem, as you did, which gives that ( A + B) 2 = A 2 + 2 A B + B 2. Since you have the hypothesis A 2 = 0 … Web27 aug. 2013 · If a+b+c=9 and a2+b2+c2=35 then find a3+b3+c3-3abc. if a+b+c=9 and a2 2 +b 2 +c 2 =35 then find a 3 +b 3 +c 3-3abc. how_to_reg Follow . thumb_up Like (0) visibility Views (23.7K) ... Recall that a 3 +b 3 +c 3-3abc = (a + b + c)( a 2 + b 2 + c 2 – ab – bc – ca) = 9(35 – 23) = 9(12) = 108. Recommend (0) Comment (0) ASK A ...

WebFree math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

Web16 feb. 2024 · Answer: Answer is 41 Step-by-step explanation: If a+b=9and ab=20 given: a+b=9;on squaring becomes 81 a^2+b^2 +2ab =81 a^2+ b^2 +2×20=81 a^2+b^2 =81-40 … bury iapt professional referralWeb16 mrt. 2024 · Given, a + b = 9 ab = 14 Formula Used - (a + b)2 = a2 + b2 + 2ab Calculation - (a + b)2 = a2 + b2 . Indian Coast Guard Navik DB Exam City Link Activated (02/2024 BATCH)! Earlier, the Indian Coast Guard Navik DB … hamster in clothesWeb13 jul. 2024 · Then give answer accordingly. I. 5x2 – 18x + 9 = 0 II. 3y2 + 5y – 2 = 0 4. What value should come in the place of question mark (?) in the following questions? 5. What approximate value should come in place of the question mark (?) in the following questions ? 6. If x3 + 2x2 – 5x + k is divisible by x + 1, then what is the value of k? 7. hamster in its natural habitatWebIf ab = 10 and a 2 + b 2 = 30, then solve for y in y = (a + b) 2?. Solution: Given: ab = 10 and a 2 + b 2 = 30. We have to find the value of y and y = (a + b) 2 We know that 2 = a 2 + b 2 + 2ab --- (1). Put the values in the equation 1. We get, ⇒ y = (a + b) 2 = a 2 + b 2 + 2ab ⇒ y = (a + b) 2 = 30 + 2(10) ⇒ y = (a + b) 2 = 30 + 20 ⇒ y = (a + b) 2 = 50 hamster information youtubeWebCorrect option is B) a−b=7 Squaring both sides, =>(a−b) 2=7 2 =>a 2+b 2−2ab=49 =>a 2+b 2=49+2(18) =>a 2+b 2=85 Again, (a+b) 2=a 2+b 2+2ab =85+2(18) =85+36 =121 =>a+b= 12 =±11 Was this answer helpful? 0 0 Similar questions ab=6 a+b=5 Medium View solution (x+a)(x+b)=x 2+(a+b)x+ab, find 103×104 Easy View solution bury iaptWeb12 okt. 2024 · a + b = 11 and ab = 15 Formula: (a + b) 2 = a 2 + b 2 + 2ab Calculation: (a + b) 2 = a 2 + b 2 + 2ab ⇒ 11 2 = a 2 + b 2 + 2 × 15 ⇒ a 2 + b 2 = 121 - 30 ∴ a 2 + b 2 = 91 Download Solution PDF Latest SSC CHSL Updates Last updated on Mar 9, 2024 SSC CHSL Tier II Exam Date Out. The exam will be held on 26th June 2024. This is for the … hamster in fish tankWebSolution: Given: ab = 10 and a 2 + b 2 = 30. We have to find the value of y and y = (a + b) 2. We know that (a + b) 2 = a 2 + b 2 + 2ab --- (1) Put the values in the equation 1. We … hamstering meaning