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[" 17.वदि "x=a sin2t(1+cos2t),y=b cos2t(...

[" 17.वदि "x=a sin2t(1+cos2t),y=b cos2t(1-cos2t)," तो दर्गाइए कि "],[qquad t=(pi)/(4)" पर "(dy)/(dx)=(b)/(a)cdots]quad " (NCE "

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If x=asin2t(1+cos2t) and y=bcos2t(1-cos2t) , then show that at t=(pi)/(4),(dy)/(dx)=(b)/(a)

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