The foci of \[16{{x}^{2}}+25{{y}^{2}}=400\] are [BIT Ranchi 1996]

The foci of \[16{{x}^{2}}+25{{y}^{2}}=400\] are [BIT

1.	The foci of \[16{{x}^{2}}+25{{y}^{2}}=400\] are [BIT Ranchi 1996]
A.	\[(\pm 3,\ 0)\]
B.	\[(0,\ \pm 3)\]
C.	\[(3,\ -3)\]
D.	\[(-3,\ 3)\]
Answer» B. \[(0,\ \pm 3)\]

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The foci of \[16{{x}^{2}}+25{{y}^{2}}=400\] are [BIT Ranchi 1996]

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