1.

P is a point on the ellipse x^2/a^2+y^2/b^2=1(a gt b) and Q is the point corresponding to P on the auxiliary circle x^2+y^2=a^2.N is the foot of the perpendicular from P on the major axis of the ellipse. (PN)/(PQ) is equal to:

Answer»

`B/(a-b)`
`a/(a-b)`
`b/(a+b)`
`a/(a+b)`

ANSWER :A


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