Question

Write the reciprocal or multiplicative inverse of 5 by 9​

Answer 1

Reciprocal of 5/9 = 9/5

Answer 2

The reciprocal or multiplicative inverse of 5 by 9 is 9 by 5

$\frac{9}{5}$

GIVEN:- 5 by 9

TO FIND:- the reciprocal or multiplicative inverse of the given

SOLUTION:-

• In mathematics, a multiplicative inverse or reciprocal for a number any number say x is denoted by 1/x or x to the power -1.

• It is a number that when multiplied by x results in the multiplicative identity as 1.

• The multiplicative inverse of a fraction x by y is y by x. For finding the multiplicative inverse of a real number, divide 1 by the given number.

According to the question,

5 by 9 =

$\frac{5}{9}$

The reciprocal or multiplicative inverse of 5 by 9 =

$1 \div \frac{5}{9} \\ = \frac{1} { \frac{5}{9} } \\ = 1 \times \frac{9}{5} \\ = \frac{9}{5}$

Hence, the reciprocal or multiplicative inverse of 5 by 9 is 9 by 5

$\frac{9}{5}$

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