Q14 of 23 Page 2

Prove that

[CBSE 2012]

Let


Then,




……………………….(1)


Let


Then,




……………(2)


Let


Then,




…………… (3)


Now,


L.H.S.


Putting the value from the equation (1) And (2))




……….by equation (3)


=R.H.S.


Hence Proved.

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