-15-51 is a multiplicative inverse of -17-5-

Multiplicative inverse of a/b is c/d if a/b×c/d = 1. Now, nbsp; 15/51× 17/5 =3/3 = 1 ...

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Standard VIII

Mathematics

Reciprocal of a Number

-15/51 is a m...

Question

$\frac{- 15}{51}$ is a multiplicative inverse of $\frac{- 17}{5}$ .

True

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False

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Solution

The correct option is A
True

Multiplicative inverse of $\frac{a}{b}$ is $\frac{c}{d}$ if $\frac{a}{b} \times \frac{c}{d} = 1$ .

Now, $\frac{- 15}{51} \times \frac{- 17}{5} = \frac{3}{3} = 1$

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Similar questions

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The product of $\frac{- 5}{17}$ and $\frac{a}{b}$ = 1 , then $\frac{a}{b}$ = ___ and $\frac{- 5}{17}$ are ___of each other.

The reciprocal ( Multiplicative inverse) of $\frac{3}{5}$ $\times$ $\frac{15}{5}$ is ________-

Q. Subtract the additive inverse of

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from the multiplicative inverse of

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−1551 is a multiplicative inverse of −175.

The correct option is A True Multiplicative inverse of ab is cd if ab×cd=1. Now, −1551×−175=33=1

$\frac{- 15}{51}$ is a multiplicative inverse of $\frac{- 17}{5}$ .

The correct option is A
True

Multiplicative inverse of $\frac{a}{b}$ is $\frac{c}{d}$ if $\frac{a}{b} \times \frac{c}{d} = 1$ .

Now, $\frac{- 15}{51} \times \frac{- 17}{5} = \frac{3}{3} = 1$