1.

(d/dx) ([tan-1 √(1 + x2) - cot-1 (-√(1 + x2)] = (a) π(b) 1(c) 0(d) 2x/√(1 + x2)

Answer»

Answer is (d) 2x/√(1 + x2)



Discussion

No Comment Found

Related InterviewSolutions