MCQ
Primitive of $(x^2 + 4)^{-1/2}$ $w.r.t$ $x^2 + 2$  is equal to :-
  • A
    $\frac{2}{{\sqrt {{x^2} + 4} }} + C$
  • B
    $\sqrt {{x^2} + 4} +\frac{1}{{\sqrt {{x^2} + 4} }} + C$
  • $2\sqrt {{x^2} + 4}  + C$
  • D
    None

Answer

Correct option: C.
$2\sqrt {{x^2} + 4}  + C$
c

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