Question

if a + b = 10 and a square + b square = 58 find the value of a cube + b cube

Answer 1

Hope it helps you plz mark it as brainliest

Answer 2

Hey mate !!
Here's your answer :-)

(a+b)^2 = a^2+b^2+2a*b
10^2 = 58 + 2ab
100-58= 2ab
42=2ab
21=ab

(a+b)^3 = a^3+b^3+3ab(a+b)
10^3=a^3+b^3+3*21*10
1000=a^3+b^3+630
1000-630=a^3+b^3
370=a^3+b^3

Hope this helps☺☺