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Find the multiplicative inverse of 2/3 * - 5/7​

1 Answer

7 votes

Answer:


-(21)/(10) is the required multiplicative inverse.

Explanation:

First of all simplify the given expression.


(2)/(3)\cdot (-5)/(7)=-(2\cdot \:5)/(3\cdot \:7)=-(10)/(21)

Multiplicative inverse of any number when multiplied gives 1.

The multiplicative inverse of
-(10)/(21) is
-(21)/(10) because:


-(10)/(21)* -(21)/(10)=1

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