HSC Commerce (English Medium) 12th Standard Board Exam - Maharashtra State Board Important Questions

Find the equation of tangent and normal to the curve y = x² + 5 where the tangent is parallel to the line 4x – y + 1 = 0.

A function f is said to be increasing at a point c if ______.

If 0 < η < 1 then the demand is ______.

Determine the minimum value of the function.

f(x) = 2x³ – 21x² + 36x – 20

Evaluate the following : `int x^3.logx.dx`

Integrate the following w.r.t. x : `((3sin - 2)*cosx)/(5 - 4sin x - cos^2x)`

Evaluate the following.

`int 1/(x(x^6 + 1))` dx 

Evaluate the following.

`int 1/(4x^2 - 20x + 17)` dx

Evaluate the following.

`int x/(4x^4 - 20x^2 - 3) dx`

Evaluate the following.

`int 1/(7 + 6"x" - "x"^2)` dx

Evaluate the following.

`int "x"^2 *"e"^"3x"`dx

Evaluate:

`int (2x + 1)/(x(x - 1)(x - 4)) dx`.

Evaluate:

`int x/((x - 1)^2(x + 2)) dx`

`int "dx"/(("x" - 8)("x" + 7))`=

If f '(x) = `1/"x" + "x"` and f(1) = `5/2`, then f(x) = log x + `"x"^2/2` + ______

To find the value of `int ((1 + log x) )/x dx` the proper substitution is ______.

For `int ("x - 1")/("x + 1")^3  "e"^"x" "dx" = "e"^"x"` f(x) + c, f(x) = (x + 1)².

Evaluate: `int e^x/sqrt(e^(2x) + 4e^x + 13)` dx

Evaluate:

∫ (log x)² dx

Choose the correct alternative:

`int(("e"^(2x) + "e"^(-2x))/"e"^x) "d"x` =