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Q)

# divide the sum of additive inverse and the multiplicative inverse of 2/5 &

divide the sum of additive inverse and the multiplicative inverse of 2/5 & 4/7?

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A)

multiplicative inverse of 2/5=5/2

multiplicativ inverse of 4/7=7/4

sum of additive inverse and the multiplicative inverse of 2/5 & 4/7=-2/5+7/4=-10+28/20=18/20

and 5/2+(-4/7)=35-8/14=27/14

dividing both

(18/20)/(27/14)

=18/20*14/27

=1.735