Question

find the value of (a-1/b)

please help me
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Answer 1

Answer:

We will use a−m=am1 in solution

As a=−1 and b=2,

Hence,

ab+ba=(−1)2+(2)−1

=1+21

=22+1

=23

I hope you got it. Have a nice day.

Answer 2

a-1/b=0

a=1/b______(1)

b×a=1

b=1/a______(2)

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