If a relation is defined from set C to set R such that x y |x|=y,… - Vidyadip

MCQ

If a relation $\phi$ is defined from set C to set R such that $x \phi y \Leftrightarrow|x|=y$, then which of the following is correct :

A
$(3+2 i) \phi 13$
B
$3 \phi-3$
✓
$(3+4 i) \phi 5$
D
$(1+i) \phi R$

✓

Answer

Correct option: C.

$(3+4 i) \phi 5$

C

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 PART - 1 CH - 2 Relations and Functions→PART - 1 CH - 2 Relations and Functions — all question types→MATHS STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

The number of ways in which a host lady can invite for a party of 8 out of 12 people of whom two do not want to attend the party together is:

The domain of the function $\text{f}(\text{x})=\frac{\text{x}}{(1+\text{x}^2)}$ is:

If $\omega $ is a complex cube root of unity, then $(x-y)(x\omega -y)$ $(x{{\omega }^{2}}-y)=$

The smallest value of x satisfying the equation $\sqrt{3}(\cot\text{x}+\tan\text{x})=4$ is:

The difference between the lengths of the major axis and the latus-rectum of an ellipse is

If $(1+\text{i})(1+2\text{i})(1+3\text{i})...(1+\text{ni})=\text{a}+\text{ib},$ then $2\times5\times10\times...\times(1+\text{n}^2)$ is equal to:

$\sqrt{\text{a}^2+\text{b}^2}$
$\sqrt{\text{a}^2-\text{b}^2}$
$\text{a}^2+\text{b}^2$
$\text{a}^2-\text{b}^2$
$\text{a}+\text{b}$

If 4-digit numbers greater than 5000 are randomly formed from the digits 0, 1, 3, 5 and 7, then the probability of forming a number divisible by 5 when the digits are repeated is:

The number of terms in the expansion of $\left(\frac{a}{x}+b x\right)^{12}$ is :

A(6, 3), B(-3, 5), C(4, -2) and D(x, 3x) are four points. If $\triangle\text{DBC} : \triangle\text{ABC}= 1 : 2,$ then x is equal to:

Choose the correct answer.
The minimum value of $3\cos\text{x}+4\sin\text{x}+8$ is: