`" if " int (sin 2x- cos 2x) dx=(1)/(sqrt(2)) sin (2x-k)+c " then " k=?`A. `-(5pi)/(4)`B. `(pi)/(4)`C. `-(pi)/(4)`D.

`" if " int (sin 2x- cos 2x) dx=(1)/(sqrt(2)) sin (2x-k)+c " then " k=

1.	`" if " int (sin 2x- cos 2x) dx=(1)/(sqrt(2)) sin (2x-k)+c " then " k=?`A. `-(5pi)/(4)`B. `(pi)/(4)`C. `-(pi)/(4)`D.
Answer» Correct Answer - A