Math, asked by manishshastri3508, 2 months ago

multiplicative inverse of −3/7 x 21/9

Answers

Answered by imrans20

0

Step-by-step explanation:

7 and 21 cancel by 3

bottom 9 by 3 to 3 times

now left will be -1/1 X 3/3

3 cancel by 3

-1/1 X 1/1 = -1

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