Question

if the sum of two numbers is 7 and the sum of their cubes is 133, find the sum of their squares.​

Answer 1

Answer:

29

Step-by-step explanation:

let the no. be x and y

x³+y³

x+y=7

x=1. y=6. x³+y³

1+216= 17

x=2 y=5. x³+y³

8+125= 133

hence x=2 and y=5

x²+y²

2²+5²

4+25

29

....666......