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Which one of the following is independen...

Which one of the following is independent of `(0 lt alpha lt pi//2)` for the hyperbola `(x^(2))/(cos^(2) alpha)-(y^(2))/(sin^(2)alpha)=1`

A

ecentricity

B

abscissa of foci

C

directrix

D

vertex

Text Solution

Verified by Experts

The correct Answer is:
B
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