If 1x2 - 25 - 1k- 1x - 5 - 1x - 5- then k -

The correct option is A 10 We have, 1/x^2 25 = 1/k[ 1/x 5 1/x+5] 1/x^2 25 = 1/k[ x+5 x+5/(x 5)(x+5)] 1/x^2 25 = 1/k[ 10/ x^2 25] 1 =[ ...

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Algebra of Derivatives

If 1x2 - 25...

Question

If $\frac{1}{x^{2} - 25} = \frac{1}{k} [\frac{1}{x - 5} - \frac{1}{x + 5}] t h e n k =$

10

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- 10

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\frac{1}{10}

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- \frac{1}{10}

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