Question

x + y
1
5. If u = sin-1.
ди ди
prove that x + y
дох ду
tan u.
√x + √y
2
(Ra
a²u
u
au
+ 2xy
дхду
(D.T.U., 201
+
sin u cos 2u
4 cos u
22
فل
дx 2
dy 2
X +
II​

Answer 1

Answer:

ask to maths teacher

she will tell answer