Find the solution of the differential equation dy/dx = x²) y, y(0) = 1 for x = 0.3 taking h = 0.1 and using Euler's method. Compare the result with the exact solution.

a) y(0.3) ≈ 0.731
b) y(0.3) ≈ 0.812
c) y(0.3) ≈ 0.894
d) y(0.3) ≈ 0.976