Question

38. If a + b + c = 5, a2 + b2 + c2 = 29 and abc = -24, find
the value of a3 + b3 + c3. answer sheet me iska ANS 83 hai freinds answered my question fast with step by step solution​

Answer 1

Answer:

since

abc = -24 and a+b+c = 5

one of the numbers has to be negative

possible combination is 4, 3 and -2

putting it on a2 + b2 +c2 = 4^2+3^2+(-2) ^2 = 29

so it satisfies

so the ans for a3+b3+c3 = 64+27-8 =83