Question

Please solve question number 10

Answer 1

Proud to help you.....

Answer 2

Hey friend, Harish here.

Here is your answer:( REFER TO THE IMAGE) ;

Solving the LHS using suitable algebraic identities will help here. 

We get, LHS = 1 after solving, it is also equal to the RHS, Hence proved it.
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Hope my answer is helpful to you.