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Conditional Statements and Its Converse

Find the sum ...

Question

Find the sum of + + ………… + (CAT 2008)

A

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B

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C

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D

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E

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Solution

The correct option is A

= ; = ; = .

+ = + = ; = ->3 - (1/3)

Thus, on similar lines,

+.......... =;

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\sqrt{(1 + \frac{1}{1^{2}} + \frac{1}{2^{2}})} + \sqrt{(1 + \frac{1}{2^{2}} + \frac{1}{3^{2}})} + . . . . . . . . . + \sqrt{(1 + \frac{1}{2007^{2}} + \frac{1}{2008^{2}})}

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Conditional Statements and Its Converse

Standard IX Mathematics

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