Question

Choose the correct alternative:

`int "e"^x/sqrt(1 + "e"^x)  "d"x` is

विकल्प

• `"e"^x/sqrt(1 + "e"^x) + "c"`

• `2sqrt(1 + "e"^x) + "c"`

• `sqrt(1 + "e"^x) + "c"`

• `"e"^x sqrt(1 + "e"^x) + "c"`

Answer 1

`2sqrt(1 + "e"^x) + "c"`