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ramkumar_november (1270)

Blazing goIITian

Olaaa!! Perrrfect answer. 230  [290 rates]

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the limit is actually 

lim x->0   { (  1 -  cos (x3 /2) )(1 -  cos(x3/4)) } /  x12   

now apply the formula   1  -  cosA =  2sin2 A/2     

then you can solve easily.........


 this reply: 2 points  (with Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
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