HSC Arts (English Medium) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Mathematics and Statistics

Choose the correct option from the given alternatives :

Let f(x) = x³ – 6x² + 9x + 18, then f(x) is strictly decreasing in ______.

Solve the following : Find the intervals on which the function y = x^x, (x > 0) is increasing and decreasing.

Solve the following:

Find the intervals on which the function f(x) = `x/logx` is increasing and decreasing.

Use quantifiers to convert the following open sentences defined on N, into a true statement.

n² ≥ 1

Find `"dy"/"dx"` if, x³ + x²y + xy² + y³ = 81

Find the value of x, such that f(x) is decreasing function.

f(x) = 2x³ – 15x² – 84x – 7 

Use quantifiers to convert the given open sentence defined on N into a true statement

3x – 4 < 9

Use quantifiers to convert the given open sentence defined on N into a true statement

Y + 4 > 6

If x² + y² = 1, then `(d^2x)/(dy^2)` = ______.

If x² + y² = t + `1/"t"` and x⁴ + y⁴ = t² + `1/"t"^2` then `("d"y)/("d"x)` = ______

If x = a t⁴ y = 2a t² then `("d"y)/("d"x)` = ______

If y = `sqrt(tansqrt(x)`, find `("d"y)/("d"x)`.

If x = sin θ, y = tan θ, then find `("d"y)/("d"x)`.

Let f(x) = x³ − 6x² + 9𝑥 + 18, then f(x) is strictly decreasing in ______

Prove that function f(x) = `x - 1/x`, x ∈ R and x ≠ 0 is increasing function

Show that f(x) = x – cos x is increasing for all x.

Show that the function f(x) = x³ + 10x + 7 for x ∈ R is strictly increasing

Test whether the function f(x) = x³ + 6x² + 12x − 5 is increasing or decreasing for all x ∈ R

Test whether the following function f(x) = 2 – 3x + 3x² – x³, x ∈ R is increasing or decreasing

Find the values of x for which the function f(x) = 2x³ – 6x² + 6x + 24 is strictly increasing