Question

Find two linearly independent solutions of
y" + 1xy = 0 of the form
y_1 = 1 + a_3x^3 + a_6x^6 + -----)
y_2 = x+ b_4x^4 + b_7 + x^7+-----)

Enter the first few coefficients:

Enter
a_3= _______
a_6= _______

b_4= _____
b_7= _____