please answer this question please
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Answer:
yes mate
Step-by-step explanation:
Correct option is
B
x+cot(
2
x−y
)=C
Substitute u=x−y, we get du/dx=1−dy/dx. The given equation can be written as 1−du/dx=cosu
⇒(1−cosu)=du/dx
⇒∫
1−cosu
du
=dx⇒
2
1
∫cosec
2
(u/2)du=dx
⇒x+cot(u/2)= const. or x+cot
2
x−y
=C
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