Answer :

In the given parts use:

(i)


solve LHS,


Which is equal to RHS.


(ii)


solve LHS,
Use:

Solve,

Which is equal to RHS.

(iii)

solve LHS,
Use:


Solve,

Which is equal to RHS.

(iv)

solve LHS,
Use:

Which is equal to RHS.

(v)
solve LHS,

Which is equal to RHS.

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