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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Deepak singh 1
Refer attached solution , option b is correct .
doubt
see..
but why are we checking it at infinity?
to draw graph.. its not general method , its just a trick for observing..
just because x had a degree two you drew a parabola, right? I thought it would not be a parabola as it had trig. functions in them.
yes , you thought correct , since sinx and cosx are bounded functions , we can neglect them here , after that we get a parabola..