Question

What is the multiplicative inverse of -2 1/4

Answer 1

Answer:

-(4/9)

Step-by-step explanation:

Multiplicative inverse of a number is the same as the reciprocal of that number. We combine -2 and 1/4 to get

-9/4

The reciprocal is

-(4/9)

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Answer 2

Given :  Number   -2 1/4

To find : multiplicative inverse

Solution:

Multiplicative inverse of  a number  is the number which when multiplied with original number then result is  1.

Basically Multiplicative inverse of a number is reciprocal of the number

Multiplicative inverse of a  is  1/a   where a≠ 0

a * (1/a)  = 1

Multiplicative inverse of a/b  is  b/a   where a , b ≠ 0

(a/b) * (b/a)  = 1

-2 1/4  = -9/4

Multiplicative inverse of  - 9/4  is   4/(-9)  

= -4/9

Hence -4/9 is the Multiplicative inverse of  -2 1/4

Verification :

(-9/4) (-4/9)  = 36/36 = 1

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