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Let dydx=yϕ′(x)−y2ϕ(x), where ϕ(x) is a specified function satisfying ϕ(1)=1, ϕ(4)=1296. If y(1)=1 then 181y(4) is equal to

Answer» Let dydx=yϕ(x)y2ϕ(x), where ϕ(x) is a specified function satisfying ϕ(1)=1, ϕ(4)=1296. If y(1)=1 then 181y(4) is equal to


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