निम्नलिखित में से कौन −4/7 के गुणनात्मक प्रतिलोम को दर्शाता है?
Answers
Given : −4/7
To Find : गुणनात्मक प्रतिलोम
Solution:
गुणनात्मक प्रतिलोम = multiplicative inverse
a multiplicative inverse is basically a reciprocal
Multiplicative inverse of number is the number which if multiplied by original number result in 1
Let say N is the multiplicative inverse of -4/7
=> N x (-4/7) = 1
Multiplying both sides by - 7
=> N x (-4/7)(-7) = 1 x (-7)
(+ )(+) = +
(-)(-) = +
(+)(-) = -
(-)(+) = -
=> N x 4 = -7
Divide both sides by 4
=> N x 4 / 4 = -7 /4
=> N = -7/4
-7/4 is the multiplicative inverse of −4/7
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