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Let f(x)=[(sinx)/x]+[(2sin2x)/x]+.....+[...

Let `f(x)=[(sinx)/x]+[(2sin2x)/x]+.....+[(10sin10 x)/x]` (where [.] is the greatest integer function) Then the value of `("lim")_(xvec0)f(x)` equals (a) 55 (b) 164 (c) 165 (d) 375

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