If `cos^4alpha/x+sin^4alpha/y=1/(x+y)` then prove that the value of `(dy)/(dx)` is `tan^2

25 views · Published 13 October 2018 · 3:22 · Indexed 30 September 2026

Channel: Doubtnut · 2018 · Education

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To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If  `cos^4alpha/x+sin^4alpha/y=1/(x+y)`  then prove that the value  of  `(dy)/(dx)` is  `tan^2alpha` .

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