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Formula for Sum of n Terms of an AP

If aa-1=6 the...

Question

If a(a-1)=6 then the value of $a - \frac{6}{a}$ is

A

2

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B

0

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C

1

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D

-1

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Solution

The correct option is C 1
If a(a-1)=6
Then $(a - 1) = \frac{6}{a} \Rightarrow a - \frac{6}{a} = 1$

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