Cklug8211 Cklug8211

23-01-2024
Physics

contestada

If the chord through the points whose eccentric angles are θ and ϕ on the ellipse x²/25 + y²/9=1 passes through a focus, then the value of tan(θ2)tan (ϕ2)is
a) 1/9
b) -9
c) -1/9
d) 9

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