English, asked by harshit2492, 10 months ago

(a+b)^-1 . (a^-1+b^-1)

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Answered by rajnitiwari192003

1

Answer:

1/(a+b) . (1/a + 1/b)

1/(a+b) . (b+a)/(ab)

(b+a)/(a²b + b²a)

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