Formula use: Explanation Here, given expression isNow, put the value of [a=2]Ans:

Formula use: Explanation Here, given expression is Now, put the value of [x=4]Ans:

Formula use: Explanation Here, given expression is Now, put the value of and [x=4,y=3]Ans:

Formula use: Explanation Here, given expression is Let,Now,Now, find the value Ans:

Formula use: Explanation Here, given expression is Let,Now, find the value Ans:

Formula use: Explanation Here, given expression is Let’s,Now,Now, find the value Ans:

Formula use: Explanation Here, given expression is Let’sNow, find the value Ans:

Formula use: Explanation Here, given expression is Let,Now,Now, Simplify the expression Ans:

Formula use: Explanation Here, given expression is Let,Now, Simplify the expression Ans:

Formula use: Explanation Here, given expression is Now, Simplify the expression Let,Now,So that,Put the value of we get Ans: