if p=2^1/3+2^2/3 then prove p^3-6p-6=0

Question

Class 9 problem of indices

Answer 1

"Solution: Given p=2^1/3+2^2/3.........(1)
then prove that p^3-6p-6=0........(2)
solve equation (1) we get
p=2.8473
substituting p value in (2) we get
=(2.8473)^3-6(2.8473)-6
≈0 "
What is a Algebraic Expression
An Algebraic expression is an expression that consists of variables and mathematical operations along with numbers. The letter x is the most commonly used variable. The value of an expression depends on the value of its variable(s)