Answer:

RHS. Hence proved.

Answer:

Answer:

LHS. Hence proved.

Answer:

= RHS. Hence proved.

Answer:

RHS. Hence proved.

Answer:

RHS. Hence proved.

Answer:

Therefore LHS = RHS. Hence proved.

Answer:

RHS. Hence proved.

Answer:

and , then prove that

Answer:

and

Squaring both sides we get:

… … … (i)

… … … (ii)

Adding (i) and (ii), we get

. Hence proved.

and , then prove that

Answer:

and

Squaring both sides:

… … … (i)

… … … (ii)

Subtracting (ii) from (i) we get

Hence proved.

, and , then prove that

Answer:

, and

Squaring all and adding, we get:

Hence proved.

and , show that

Answer:

and

Hence proved.

, and , show that

Answer:

, and

Squaring all the three equations and adding, we get

Hence proved.

Answer:

Hence proved.