Question

x + 2y = 8, xy = 8 , Find x³ + 8y³​

Answer 1

Answer:

answer = 128

Step-by-step explanation:

xy = 8

》x = 8/y

Now, x + 2y = 8

》 8/y + 2y = 8

》( 8 + 2y²) /y = 8

》y = 2

Therefore.... x = 8/2 = 4

Now , x³ + 8y³

= 4³ + 8 × 2³

= 64 + 64

= 128

.Please mark me as brainliest