If a+b 12 and ab 27 then find a3+b3
Webanswered • expert verified If a+b=12and ab =27 find the value of a³+b³. See answers Advertisement Advertisement Advertisement New questions in Math The monthly salary … WebWhat is the formula for a3+b3? In Indian rupees, 1 trillion is equal to how many crores? Name the smallest and the largest cell in the human body; Examples of herbs, shrubs, …
If a+b 12 and ab 27 then find a3+b3
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WebIf a + B = 11 and A2 + B2 = 65; Find A3 + B3. - Mathematics. Advertisement Remove all ads. Advertisement Remove all ads. ... Now, (a+b) 2 = a 2 + b 2 + 2ab ⇒ (11) 2 = 65 + … WebIf a + b - 12 = 0 and a b = 27, then find the value of a 3 + b 3. Solution Compute the required value Given, a + b - 12 = 0 ⇒ a + b = 12 and a b = 27 We know, a + b 3 = a 3 + …
Web27 aug. 2013 · Given (a + b + c) = 9 Squaring on both the sides, we get (a + b + c)2 = 92 ⇒ a2 + b2 + c2 + 2 (ab + bc + ca) = 81 ⇒ 35 + 2 (ab + bc + ca) = 81 ⇒ 2 (ab + bc + ca) = 81 – 35 = 46 ⇒ ab + bc + ca = 23 → (1) Recall … Web131. If a + b = 3, then the value of a 3 + b 3 + 9ab is 27 9 16 16 A. 27 a + b = 3 On cubing both sides, (a + b) 3 = (3) 3 a 3 + b 3 + 3ab (a + b) = 27 a 3 + b 3 + 3ab x 3 = 27 ∴ a3 + b3 + 9ab = 7 91 Views Switch Flag Bookmark Advertisement 132. If x + y = 1 + xy, then x 3 + y 3 - x 3 y 3 is equal to 0 1 -1 -1 69 Views Answer 133.
WebAnswer (1 of 11): a/b+b/a=1 , multiply both side by ab a^2+b^2=ab a^2+b^2-ab=0………….(1) a^3+b^3=(a+b)(a^2+b^2-ab) ,put a^2+b^2-ab=0 from eq.(1) … WebGiven: a 3 + b 3 = 28; ab = 3 Concept Used: In this type of question, value of a + b can be calculated by using below formula Formula Used: (a + b) 3 = a 3 + b 3 + 3ab (a + b) …
Web21 jul. 2024 · You have to solve both the equations and mark the appropriate answer I. a2 + 17a – 38 = 0 II. b2 – 22b + 57 = 0 8. In the following question two equations are given. You have to solve these equations and determine relation between x and y. I. x2 + x – 210 = 0 II. y2 – 32y + 252 = 0 9.
Web30 jul. 2014 · If so, we would have: (7) a + b = re and ab - 3cr = rf, (e,f) = 1. now if p is a prime factor of r, the second of these equations shows that p would divide ab, and … optimail 30 ink cartridgesWeb20 sep. 2024 · This is the Solution of Question From RD SHARMA book of CLASS 9 CHAPTER POLYNOMIALS This Question is also available in R S AGGARWAL book of CLASS 9 You can F... optimail 30 customer serviceWeb30 mrt. 2024 · Ex 10.3, 6 - Chapter 10 Class 12 Vector Algebra (Term 2) Last updated at March 30, 2024 by Teachoo. Get live Maths 1-on-1 Classs - Class 6 to 12. Book 30 … portland or broadwayWeb15 feb. 2024 · Mathematics High School answered If a + b = 12 and ab=27, then find a³+b³ See answer Advertisement Brainly User Answer Given We Know That a³ + b³ = ( a + b )³ … portland or business for saleWeb8 aug. 2024 · a + b = 12 ab = 32 Concept:/Formula: (a + b) 2 = a 2 + b 2 + 2ab Calculation: (a + b) 2 = a 2 + b 2 + 2ab ⇒ (12) 2 = a 2 + b 2 + 2 × 32 ⇒ 144 = a 2 + b 2 + 64 ⇒ a 2 + … optimain softwareWebMost Important MCQs from Chapter 2 Polynomials Class 9, Chapter-2Ncert Maths, CBSE If a + b + c = 6, ab + bc + ca = 11 and abc = 6 then find the value of a3 ... optimaint crackWeb13 okt. 2024 · a + b = 27. a 3 + b 3 = 5427. Formula: a 3 + b 3 = (a + b) [(a + b) 2 - 3ab] Calculation: a 3 + b 3 = (a + b) [(a + b) 2 - 3ab. ⇒ 5427 = 27 [27 2 - 3ab] ⇒ 5427/27 = … portland or business brokers