Question

If x = 1,y = 2,z = 5 what is the value of x³ - y³- z²

Answer 1

Given,
x=1
y=2
z=5
A/Q,
x^3-y^3-z^2
putting x=1,y=2 and z=5, we have
(1)^3-(2)^3-(5)^2
1-8-25
-32
the answer is 32 hope it will help you