Answer:
The given expression
at a = 2 , b = 5 and c = 4 is 37.
Explanation:
Given : expression

We have to evaluate the given expression
at a = 2 , b = 5 and c = 4
Consider the given expression
Substitute, a = 2 , b= 5 and c = 4
We have,

Simplify, we have,

We get,
= 37
So, The given expression
at a = 2 , b = 5 and c = 4 is 37.