plz help me with this question
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firstly rationalise the denominator.......we get
sin 4x * [√(4+x) + √(4-x) ] / 2x
now multiply and divide by 2....so that v can get 4x in denominator.....
as lim(x-0) sinx/x = 1
so....ur required answer is 8
hope it helps uh.....
( if any doubt u may come at my question anytime )