Answer:
Option (b) is correct.
The sum of given expression is
Step-by-step explanation:
Given:Expression
We have to find the sum of the given expression and choose the correct from the given options.
Consider the given expression .
can be written as
Also, can be written as
Now, the given expression becomes,
.
Now, adding like term, terms having same variable with same degree.
.
Thus, The sum of given expression is