If x 2 + y 2 = 1, then
Mathematics · JEE Advanced · NTA Exams — Differential Equations
If x2 + y2 = 1, then
- yy′′– 2 (y′)2 + 1 = 0
- yy′′ + (y′)2 + 1 = 0
- yy′′ + (y′)2 – 1 = 0
- yy′′ + 2(y′)2 + 1 = 0
Answer
(B) yy ′′ + ( y ′ ) 2 + 1 = 0
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