1.

Area of the ellipse \[\frac{{{x}^{2}}}{{{a}^{2}}}+\frac{{{y}^{2}}}{{{b}^{2}}}=1\] is                 [Karnataka CET 1993]

A. \[\pi \,ab\]sq. unit
B. \[\frac{1}{2}\pi \,ab\]sq. unit
C. \[\frac{1}{4}\pi \,ab\]sq. unit
D. None of these
Answer» B. \[\frac{1}{2}\pi \,ab\]sq. unit


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