1.

If (x+1)2x3+x=Ax+Bx+Cx2+1, then cosec−1(1A)+cot−1(1B)+sec−1C=

Answer»

If (x+1)2x3+x=Ax+Bx+Cx2+1, then cosec1(1A)+cot1(1B)+sec1C=





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