SOLUTION:
L.H.S. =
=
= (say) ……….(i)
Now
=
=
=
From eq. (i), L.H.S. = ……….(ii)
Now
=
Expanding along third column,
=
=
=
=
=
From eq. (i), L.H.S. =
= = R.H.S.
SOLUTION:
L.H.S. =
=
= (say) ……….(i)
Now
=
=
=
From eq. (i), L.H.S. = ……….(ii)
Now
=
Expanding along third column,
=
=
=
=
=
From eq. (i), L.H.S. =
= = R.H.S.