Plz can anyone solve the attached question.
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Answer:
a-b is the answer
hope it helps you
mark bràinlest please
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Step-by-step explanation:
(a^-1 + b^-1) ÷ (a^-2 - b^-2)
[(1/a)¹ + (1/b)¹] ÷ [(1/a)² - (1/b)²]
[1/a + 1/b] ÷ [(b²-a²)/a²b²]
(b+a)/ab ÷ (b²-a²)/a²b²
[(b+a)/ab] × [a²b² / (b²-a²)]
(b+a)a²b² / ab(b²-a²)
(b+a)a²b² / ab(b-a)(b+a)
ab / (b-a)
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