Math, asked by sohaather2017, 5 months ago

if a2 +1/a2=23 find the value of a+1/a

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Answered by kishlays39

1

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Answered by sandy1816

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a² + 1/a² = 23

adding 2 both sides

a² + 1/a² + 2=25

(a + 1/a)² = 25

a + 1/a = ±5

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