The area of an ellipse represented by an equation $\frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1$ is

(A) $\quad \frac{\pi a b}{4}$

(B) $\quad \frac{\pi a b}{2}$

(C) $\pi a b$

(D) $4 \pi a b$

The area of an ellipse represented by an equation $\frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1$ is

(A) $\quad \frac{\pi a b}{4}$

(B) $\quad \frac{\pi a b}{2}$

(C) $\pi a b$

(D) $4 \pi a b$

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