How many elements has P(A), if A = f ? - Vidyadip

MCQ

How many elements has P(A), if A = f ?

A
Two
B
One
C
Three
D
Zero.

✓

Answer

One

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Sets→Sets — all question types→MATHS STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Domain of $\sqrt{\text{a}^2-\text{x}^2}(\text{a}>0)$ is.

(-a, a)
[-a, a]
[0, a]
(-a, 0]

The number of ways in which 10 different diamonds can be arranged to form a necklace, is:

If α and $\beta$ are the roots of the equation $\text{x}^2-\text{x}+1=0,$ then a $2009+\beta^{2009}$ is equal to:

A person wishes to make up as many different parties as he can out of 20 friends. Each party consists of the same number of friends. How many should be invited at a time:

In a triangle ABC, a = 4, b = 3, $\angle\text{A}=60^{\circ}$ then c is a root of the equation:

$\text{c}^2-3\text{c}-7=0$
$\text{c}^2+3\text{c}+7=0$
$\text{c}^2-3\text{c}+7=0$
$\text{c}^2+3\text{c}-7=0$

If n(A) = 65, n(B) = 32 and n(A ∩ B) = 14, then n(A Δ B) equals:

Choose the correct answer.
The value of $\cos1^\circ\cos2^\circ\cos3^\circ...\cos179^\circ$ is:

If $\text{z}=1-\cos\theta+\text{i}\sin\theta,$ then $|\text{z}|=$

$2\sin\frac{\theta}{2}$
$2\cos\frac{\theta}{2}$
$2\Big|\sin\frac{\theta}{2}\Big|$
$2\Big|\cos\frac{\theta}{2}\Big|$

The values of k for which the quadratic equation kx² + 1 = kx + 3x - 11x² has real and equal roots are:

-11, -3
5, 7
5, -7
None of these.

How many terms of the series $1+3+9+27+\ldots$. sum to 364 ?