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Q.

Find the multiplicative inverse of:

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a

b

c

d

answer is B.

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Detailed Solution

Concept- As we know that the given number is in fraction form.
So, for multiplicative inverse of a fraction is like

it is because

.
So, by using this we will find the inverse of

So, by using the above given method we will calculate the inverse,
As we see above the inverse of

is

.
So now ,

=

.
So, the inverse of

is equal to

.
Hence, the correct option is 2.

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