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11th Class Mathematics Sample Paper Mathematics Sample Paper-3

  • question_answer
    Product of the perpendicular from the foci upon any tangent to the ellipse \[\frac{{{x}^{2}}}{{{a}^{2}}}+\frac{{{y}^{2}}}{{{b}^{2}}}=1\left( a<b \right)\]is equal to

    A)  2a                   

    B)  \[{{a}^{2}}\]            

    C)  \[{{b}^{2}}\]             

    D)  \[a{{b}^{2}}\]

    Correct Answer: B

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