Question

Ques-8. Find the sum
of additive inverse and
multiplicative inverse of 7​

Answer 1

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Additive inverse of 7 is -7,

Multiplicative inverse of 7 is

$\frac{1}{7}$

sum of additive inverse and multiplicative inverse of 7 :

$- 7 + \frac{1}{7}$

$\frac{ - 49 + 1}{7}$

$\frac{ - 48}{7}$

I hope my answer will be helpful...

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Answer 2

☘️$\Large{\blue{\bold{Given:}}}$

• Number = 7

☘️$\Large{\blue{\bold{To\;Find:}}}$

• The sum of additive inverse and multiplicative inverse of given number.

☘️$\Large{\blue{\bold{Solution:}}}$

Additive Inverse of 7 is -7

Multiplicative Inverse of 7 is $\frac{1}{7}$

$→\;( - 7) + \frac{1}{7}$

$→\; \frac{ - 49 + 1}{7}$

$→\; \frac{ - 48}{7}$

• The Required Number is $\Large{\red{\bold{\frac{-48}{7}}}}$

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Multiplicative Inverse:- A multiplicative inverse or reciprocal for a number x, denoted by 1/x or x⁻¹, is a number which when multiplied by x yields the multiplicative identity, 1.

→ The multiplicative inverse of a fraction a/b is b/a.

→ For the multiplicative inverse of a real number, divide 1 by the number.

Additive Inverse:- The additive inverse of a number a is the number that, when added to a, yields zero. This number is also known as the opposite (number), sign change, and negation.

→ For a additive inverse is -a

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