The area enclosed by the circle \( x^{2}+y^{2}=2 \) is equal to (A) \( 4 \pi \) sq. units (B) \(...

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The area enclosed by the circle \( x^{2}+y^{2}=2 \) is equal to
(A) \( 4 \pi \) sq. units
(B) \( 2 \sqrt{2} \pi \) sq. units
(C) \( 4 \pi^{2} \) sq. units
(D) \( 2 \pi \) sq. units
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