Question

Choose the correct alternative from the following.

`int sqrt(1 - "x"^2) "dx"` =

Options

• `"x"/2 sqrt(1 + "x"^2) + 1/2 log ("x" + sqrt(1 + "x"^2))`+c

• `2/3 (1 + "x"^2)^(3/2) + "c"`

• `1/3 (1 + "x"^2)` + c

• `("x")/sqrt(1 + "x"^2)` + c

Answer 1

`"x"/2 sqrt(1 + "x"^2) + 1/2 log ("x" + sqrt(1 + "x"^2))`+c