Question

If x = 7 – 5 , y = 5 – 3 and z = 3 – 7 , then the value of x3+y3+z3–2xyz is _____________.

Answer 1

X=7-5, y=5-3,z=3-7 then find the value of x³ +y³+z³-2xyz
This is question
____________________________

Solution
So
(7-5)³+(5-3)³+(3-7)³-(2*7-5*5-3*3-7)
(2)³+(2)³+(-4)³-(2*2*2*-4)
8+8-64-32
16-64-32
16-96
- 80

I hope this will help you
By DEVANSH