1.

The equation of the ellipse whose centre is at origin and which passes through the points (?3, 1) and (2, ?2) is

A.            \[5{{x}^{2}}+3{{y}^{2}}=32\]     
B.            \[3{{x}^{2}}+5{{y}^{2}}=32\]
C.            \[5{{x}^{2}}-3{{y}^{2}}=32\]     
D.            \[3{{x}^{2}}+5{{y}^{2}}+32=0\]
Answer» C.            \[5{{x}^{2}}-3{{y}^{2}}=32\]     


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