The additive inverse of 7/8 multiplied to the sum of 1/6 & 4/3 is
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8th
Maths
Rational Numbers
Properties of Rational Numbers
What is the sum of additive...
MATHS
What is the sum of additive inverse and multiplicative inverse of −7.
December 20, 2019
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Sarif Turkar
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ANSWER
The additive inverse of a number a is the number that, when added to a, yields zero.
Additive inverse of −7=7
The multiplicative inverse of a number for any n is simply
n
1
.
The reciprocal of a number obtained is such that when it is multiplied with the original number the value equals to identity 1.
Multiplicative inverse of −7=−
7
1
Therefore, required sum is 7−
7
1
=
7
48
Answer:
In additive inverse the positive number changes into negative numbers and negative numbers changes into positive number.
7/8 = -7/8
-7/8(1/6 + 4/3)
= -7/8(1/6+8/6)
= -7/8 × 9/6
=-42/72