Question

If x2 + y2 = 1, then

(a) y y” – (2y’)2 + 1 = 0 (b) y y” + (y’)2 + 1 = 0 (c) y y” – (y’)2

– 1 = 0 (d) y y”

+ (2y’)2 + 1 = 0​

Answer 1

Answer:

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