SENIOR SECONDARY SCHOOL MATHEMATICS FOR CLASS 12>Chapter 1 - Relations>OBJECTIVE QUESTIONS>Q 20

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Let $Z$ be the set of all integers. Then, the operation $$ on $Z$ defined by $a b = a + b - a b$ is

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Important Questions on Relations

MEDIUM

12th CBSE

IMPORTANT

SENIOR SECONDARY SCHOOL MATHEMATICS FOR CLASS 12>Chapter 1 - Relations>OBJECTIVE QUESTIONS>Q 21

Let

Z^{+}

be the set of all positive integers. Then the operation

*

on

Z^{+}

defined by

a * b = a^{b}

is

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12th CBSE

IMPORTANT

SENIOR SECONDARY SCHOOL MATHEMATICS FOR CLASS 12>Chapter 1 - Relations>OBJECTIVE QUESTIONS>Q 22

Define $*$ on $Q - \{- 1\}$ by $a * b = a + b + a b$ . Then, $*$ on $Q - \{- 1\}$ is