Question

To get product 1,we should multiply -2/9 by

Answer 1

$Let \: x \: should \: be \:multiplied \: to\: \frac{-2}{9} \\get \: 1$

$Product \: of \: x \times \frac{-2}{9} = 1$

$\implies x = 1 \times \frac{-9}{2}\\= \frac{-9}{2}$

$Or \\multiplicative \: inverse \: of \: \frac{-2}{9}\\is \: \frac{-9}{2}$

Therefore.,

$\red { Required \: number } \green { = \frac{-9}{2}}$

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Answer 2

Answer:

To get product as 1, we should multiply -9/2 or -4.5 to 2/9.

Step-by-step explanation:

-2/9*X=1

-2x/9=1

-2x=1*9

x=9/-2

x=-9/2

x=-4.5

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Hope this helps you