1.

If x > 1, then 2tan-1x+sin-12x1+x2is equal to(a) 4tan-1x(b) 0(c) π2(d) π

Answer» If x > 1, then 2tan-1x+sin-12x1+x2is equal to

(a) 4tan-1x

(b) 0

(c) π2

(d) π


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