Question

x3 + y2
If u =
?
ди
then x
дх
+y
ди
oy
is equal to
x + y
(i) 0
(ii) น
(iii) 2u
(iv) 3u​

Answer 1

Answer:

answer is( iv) I am really sure.

Answer 2

Answer:

u¹

then ax+y and oy is equal to x+y0