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If a-b 3 and a2 +b2 29 find the value of ab

WebAnswer (1 of 7): If a-b=3 and a2-b2= 36, then what is the sum of both the variables of a and b? I take a2 and b2 as meaning a^2 and b^2. equation 1: a - b = 3 equation 2: a^2 - b^2 = 36 rearrange 1 for b + 3 = a substitute into 2 for (b + 3)(b + 3) - b^2 = 36 calculate and simplify to 6b + ... 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 …

If a-b=3 and a2-b2= 36, then what is the sum of both the ... - Quora

WebMCQ If A = [ 1 − 1 2 − 1], B = [ a 1 b − 1] and ( A + B) 2 = A2 + B2 , values of a and b are Options a = 4, b = 1 a = 1, b = 4 a = 0, b = 4 a = 2, b = 4 Advertisement Remove all ads Solution a = 1, b = 4 H e r e, ( A + B) 2 = A 2 + B 2 ⇒ A 2 + A B + B A + B 2 = A 2 + B 2 ⇒ A B + B A = O ⇒ A B = − B A dr berg trace minerals supplement https://bridgetrichardson.com

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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. 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 … WebIf a + b + c = 9 and ab + bc + ca = 23, find the value of a2 + b2 + c2. Solution (a + b+ c)2 = a2 + b2 + c2 + 2(ab+bc +ca) ⇒ (9)2 = a2 +b2 +c2 +2× 23 ⇒ 81 = a2 +b2 +c2 +46 ⇒ a2 + b2 + c2 = 81 −46 = 36 ∴ a2 +b2 + c2 = 35 Suggest Corrections 45 Similar questions Q. If a + b + c = 9 and ab + bc + ca = 23, find the value of a 2 + b 2 + c 2. Q. emzone air duster how to use

If a+b+c=10 and a2+b2=58,find the value of a3+b3 - Byju

Category:If A = [ 1 − 1 2 − 1 ] , B = [ a 1 b − 1 ] and (A + B)2 = A2 + B2 ...

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If a-b 3 and a2 +b2 29 find the value of ab

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

Web11 feb. 2024 · a - b = 3 a 2 + b 2 = 29 Formula used: (a - b) 2 = a 2 + b 2 - 2ab Calculation: a - b = 3 Squaring both sides ⇒ a 2 + b 2 - 2ab = 9 ⇒ 29 - 2ab = 9 ⇒ 20/2 = ab ∴ ab = … Web16 mei 2024 · If the mean of a, b, c is M and ab + bc + ca = 0, then the mean of a2, b2, c2 is asked Mar 1, 2024 in Aptitude by Rohitpatil ( 54.5k points) quantitative-aptitude

If a-b 3 and a2 +b2 29 find the value of ab

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Web18 apr. 2024 · If a, b, c are real numbers and a2 + b2 + c2 = 2 (a - b - c) - 3, then the value of a + b + c is Q6. The value of ( 0.7) 3 − ( 0.43) 3 ( 0.7) 2 + 0.43 × 0.7 + ( 0.43) 2 is equal to: Q7. The value of ( 281 + 119) 2 − ( 281 − 119) 2 281 × 119 is equal to which of the following? Q8. If a + b 2 = 4 and ab = 7, then the value of (a - b) = WebAnswer: Option A Solution (By Examveda Team) 2ab = (a 2 + b 2) - (a - b) 2 2ab = 29 - 9 2ab = 20 ∴ ab = 10 Join The Discussion * Related Questions on Simplification A man …

WebIf A2 + B2 = 29 and Ab = 10, Find : a + B - Mathematics Advertisement Remove all ads Advertisement Remove all ads Sum If a 2 + b 2 = 29 and ab = 10, find : a + b … WebAlgebra Q65 If a + b + c = 13, a2+b2+c2 = 69, then find ab + bc + ca Algebra Gravity Coaching Centre GRAVITY COACHING CENTRE 40.4K subscribers 8.1K views 2 years …

Web19 dec. 2024 · a 2 + b 2 = 100 ab = 48 Formula Used: (a + b) 2 = a 2 + b 2 + 2ab (a – b) 2 = a 2 + b 2 – 2ab Calculation: (a + b) 2 = a 2 + b 2 + 2ab ⇒ (a + b) 2 = 100 + 2 (48) ⇒ (a + b) 2 = 196 Taking square root on both sides, ⇒ a + b = 14 (a – b) 2 = a 2 + b 2 – 2ab ⇒ (a – b) 2 = 100 – 2 (48) ⇒ (a – b) 2 = 4 Taking square root on both sides, ⇒ a – b = 2 Web6 apr. 2016 · Q7. In a group of 160 people, 100 people like tennis and 20 people like both cricket and tennis. If each one likes at least one of these two games, then find the ratio between the number of people who like only cricket …

Web3 jun. 2024 · Answer: -13 Step-by-step explanation: a^2 + 3ab - b^2? Plug in a=3 and b= -2 a^2 + 3ab - b^2 = (3)^2 + 3 (3) (-2) - (-2)^2 = 9 - 18 - 4 = -13 Advertisement

WebGiven (a-b) = 3 and (a² + b²) = 29. Putting these values in (1), 2ab = 29 - 3² = 29 - 9 = 20. Dividing both sides by 2, 1.ab = 20/2 = 2x10/2. Or, ab = 10 (Answer) emzone screen cleaner msdsWeb14 mei 2024 · What will be the value of a 3 + b 3 , if a 2 + b 2 = 32 and a + b = 8 1). 8 2). 32 3). 128 4). 256 What will be the value of a3 + b3, if a2 + b2 = 32 and a + b = 8 ExamCompetition Forum Question Papers Ask A Question Mock Test Learn & … emzone foaming glass cleaner sdsWebIf a - b = 3, a 2 + b 2 = 29, find the value of ab. Answer: A) 10 Explanation: 2ab= a 2 + b 2 - a 2 - b 2 29-9=20 =>ab=10 Subject: Simplification - Quantitative Aptitude - Arithmetic … dr. berg\u0027s clean lather shampooWebSolve your math problems using our free math solver with step-by-step solutions. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. dr berg\\u0027s electrolyte powder near meWeb13 mei 2024 · If a 3 - b 3 = 56 and a - b = 2 then what is the value of a 2 + b 2 ? 1). 12 2). 20 3). 28 4). 32 If a3 - b3 = 56 and a - b = 2 then what is the value of a2 + b2? ExamCompetition Forum Question Papers Ask A Question Mock Test Learn & … dr berg\u0027s cauliflower pizza recipeWebAccording to the problem given, a - b = 3 --- ( 1 ) a² + b² = 29---- ( 2 ) We know that the algebraic identity, ( a - b )² = a² + b² - 2ab. 3² = 29 - 2 ab. [ From ( 1 ) and ( 2 ) ] 9 = 29 - … emzone foaming glass cleanerWebSolution Given:a+b =10 a2+b2 =58 Since, (a+b)2 =a2+b2+2ab 102 = 58+2ab 100 = 58 + 2ab 42 = 2ab ab = 21 And also (a+b)3 =a3+b3+3ab(a+b) 103 = a3+b3+3ab(a+b) 1000 =a3+b3+3×21(10) 1000 =a3+b3+630 ∴ a3+b3 = 370 Suggest Corrections 44 Similar questions Q. Given, a+b=10,a2+b2 =58, then find a3+b3 = Q. dr berg\\u0027s electrolyte powder packets