a^-1 +b^-1/ (ab)^-1 , simplify the following.
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Answered by
18
Answer:
7 votes
If you have meant (a−1+b−1)−1 it is equal to 1a−1+b−1=11a+1b=abb+a multiplying the numerator & the denominator by ab assuming a,b to be ... More
Answered by
1
Answer:
(a+b)
Step-by-step explanation:
a^-1 + b^-1/(ab)^-1
= (1/a+ 1/b)/1/ab
= b+a/ab / 1/ab
= ab(b+a)/ab
=b+a =a+b
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