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show that the least value of the sum of a positive number and its reciprocal is 2. please answer the above problem as soon as possible.


2 years ago

## Answers : (1)

Susmita
425 Points
							Let a be the number.Its reciprocal is 1/a.Sum s=a+(1/a)For least possible valueds/da=0Or,1-(1/a2)=0$Or,a=\pm 1$We shall discard a=-1 as the question say positive number.a=1S=1+1=2If it helps please approve.thank u.

2 years ago
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