Mathematics

Mathematics

Problem

If y=(1−x)(1+x)y = \sqrt{(1-x)(1+x)} , then a. (1−x2)dydx−xy=0(1-x^2) \frac{dy}{dx} - xy = 0 b. (1−x2)dydx+xy=0(1-x^2) \frac{dy}{dx} + xy = 0 c. (1−x2)dydx−2xy=0(1-x^2) \frac{dy}{dx} - 2xy = 0 d. (1−x2)dydx+2xy=0(1-x^2) \frac{dy}{dx} + 2xy = 0

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