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https://www.vedantu.com/question-answer/find-the-value-of-dfracdxdy-at-y1-if-class-11-maths-cbse-5f0455f6c0a0f05dbe32d83f Find the value of dfracdxdy at y1 if sqrtx+sqrty4 class 11 maths CBSE Find the value of dfracdxdy at y1 if sqrtx+sqrty4