If x+y + y-x = cthen d^ 2 y d x^ 2 is
Mathematics · JEE Main · NTA Exams — Limit, Continuity and Differentiability
If \(\sqrt{x+y}+\sqrt{y-x}=\operatorname{cthen} \frac{d^{2} y}{d x^{2}} \text { is }\)
- \(\frac{2 \mathrm{x}}{\mathrm{c}^{2}}\)
- \(\frac{2}{c^{3}}\)
- \(-\frac{2}{\mathrm{c}^{2}}\)
- \(\frac{2}{c^{2}}\)
Answer
(D) 2 c^ 2
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