Question 8Is 8-9 the multiplicative inverse of -1 1-8- Why or why not-

Since multiplicative inverse of a rational number a is ( 1/a ), If a ×1/a=1. Therefore,8/9 is not the multiplicative inverse of ( 11/8 ). Because product of th ...

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Standard VIII

Mathematics

Multiplication of Negative Numbers

Question 8Is ...

Question

Question 8
Is $\frac{8}{9}$ the multiplicative inverse of $- 1 \frac{1}{8}$ ? Why or why not?

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Solution

Since multiplicative inverse of a rational number a is $(\frac{1}{a})$ , If $a \times \frac{1}{a} = 1$ .
Therefore, $\frac{8}{9}$ is not the multiplicative inverse of $(- 1 \frac{1}{8})$ . Because product of these number is not equal 1.

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Similar questions

Q. Question 8
Is

\frac{8}{9}

the multiplicative inverse of

- 1 \frac{1}{8}

? Why or why not?

Q. Is

\frac{8}{9}

the multiplicative inverse of

- 1 \frac{1}{8}

? Why or why not?

Q. Question 9
Is 0.3 the multiplicative inverse of

3 \frac{1}{3}

? Why or why not?

Q. Question 125(i)
Find the multiplicative inverse of

- 1 \frac{1}{8}

State True or False

\frac{8}{9}

the multiplicative inverse of

- 1 \frac{1}{8}

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Question 8 Is 89 the multiplicative inverse of −118? Why or why not?

Since multiplicative inverse of a rational number a is (1a), If a×1a=1. Therefore,89 is not the multiplicative inverse of (−118). Because product of these number is not equal 1.

Question 8
Is $\frac{8}{9}$ the multiplicative inverse of $- 1 \frac{1}{8}$ ? Why or why not?

Since multiplicative inverse of a rational number a is $(\frac{1}{a})$ , If $a \times \frac{1}{a} = 1$ .
Therefore, $\frac{8}{9}$ is not the multiplicative inverse of $(- 1 \frac{1}{8})$ . Because product of these number is not equal 1.