Question

Ans.
Here a = 2, b = 1. Replace Du by a = 2, D, by
b = 1.
Then zp = 4_2_141 224+0 = 5e2u+v
or zp = {x?y.
Hence the general solution is
1
z=ze +2p = y(xy) + x¥2 ()
+
x?y
18.
EXERCISE
1. (x²D3 - 4xy DxDy + 4y-D} + 6y Dyz =
x3y4
The
fer
y,​

Answer 1

It is 8th class problem right i dont know the answer because i am 7th class