Question

find the value of 3×5/8 ​

Answer 1

Answer:

The answer is in attachment

Hope it's help you

Answer 2

Answer:

Then, 33 + 53 + (-8)3 = ?

Using, identity...

If a + b + c = 0, then a3 + b3 + c3 = 3abc Let a = 3, b = 5 and c = -8.

Here, a + b + c = 3 + 5 + (-8) = 0.

Then, a3 + b3 + c3 = 3abc = 3 x 3 x 5 x -8 = 9 x -40 = -360