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Question

Assertion :STATEMENT-1 : 53 and 54 are the ecentriceties of two conjugate hyperbola. Reason: STATEMENT-2 : If e and e1 are the eccentricities of two conjugate hyperbolas then ee1>1.

A
Statement -1 is True, Statement -2 is True ; Statement -2 is a correct explanation for Statement -1
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B
Statement-1 is True, Statement-2 is True ; Statement-2 is NOT a correct explanation for Statement-1
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C
Statement -1 is True, Statement -2 is False
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D
Statement -1 is False, Statement -2 is True
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Solution

The correct option is B Statement-1 is True, Statement-2 is True ; Statement-2 is NOT a correct explanation for Statement-1

Eccentricity of hyperbola (or conjugate hyperbola) is greater than 1

ee1>1 is true.
Now we have the relation on between e and e1 is


1e2+1e21=1


Clearly 925+1625=1

Therefore, both statement are correct but reason is not explanation of assertion.
Hence, option 'B' correct.

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