JEE MATHEMATICS MCQ: RELATIONS

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Application +4 | -1

R

is a relation on the set

A=\{1,2,3,4,5,6,7,8,9\}

given by

x R y \Leftrightarrow y=3 x

, then

R \circ R^{-1}

View answer and explanation

Correct option: B

\{(1,1),(2,2),(3,3)\}

Option B (

\left\{(1,1),(2,2),(3,3)\right\}

) is correct because it represents the composition of the relation

R

with its inverse

R^{-1}

, where

y = 3x

More Questions from RELATIONS

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\mathrm{Z}

R

\mathrm{N}

\mathrm{R}

\mathrm{N} \times \mathrm{N}

(\mathrm{a}, \mathrm{b}) \mathrm{R}(\mathrm{c}, \mathrm{d})

a d(b+c)=b c(a+d)

\mathrm{R}

W

R

R=\{(x, y) \in W \times W \mid

x

y

\}

S

R = \{ \left( {a,\;b} \right):1 + ab > 0\}

S

X

R

X

A

B

R

R

N

R = \left\{ {\left( {x,\;y} \right):4x + 3y = 20} \right\}

R