Discover Questions

Given that y=0 when x=1, solve the differential equation
xyδy/δx=y²+4,
obtaining an expression for y² in terms of x.? Let a ∈ R and consider the evaluation homomorphism φ : R[x] → R where φ(f(x)) = f(a). Find the kernel of φ? Need help answering this math problem.? Log 14=1.1461 find its characteristics and mantissa? Non-artificial harmful things for plants?