Question: For the equation x 2 + ky 2 = a 2 , what type of curve is represented if (a) k = 1, (b) k

For the equation x2 + ky2 = a2 , what type of curve is represented if 

(a) k = 1, 

(b) k < 0, 

(c) k > 0 (k ≠ 1)?

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