Question

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Answer 1

Answer:

(I) (X×Y)^-1=X^-1×Y^-1

1/X×Y=1/X×1/Y

17/19×(-31)/8=17/19×(-31)/8

-527/152=-527/152

(ii). (X×Y)^-1=X^-1×Y^-1

1/X×Y=1/X×1/Y

5/2×(-7)/3=5/2×(-7)/3

-35/6=-35/6

Step-by-step explanation:

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