Question

Q.18 If a + b = 10 and a2 + b2 = 58, find the
value of a3 + b3.​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Solution :

(a+b)^2=a^2+b^2+2ab

10^2=58+2ab

ab=100-58/2

Now,

(a+b)^3=a^3+b^3+3ab (a+b)

10^3=a^3+b^3+3ab (a+b)

a^3+b^3=1000-630

a^3+b^3=370 is the required answer.