If $m$ and $M$ are the absolute minimum and absolute maximum values of the function $f(x)=2 \sqrt{2} \sin x-\tan x$ in the interval $[0, \pi / 3]$, then $m+M=$
-1
0
1
2
$$ \int \frac{\sec ^2 x}{\sin ^7 x} d x-\int \frac{7}{\sin ^7 x} d x= $$
$\frac{1}{\sin ^6 x \cos x}+C$
$\frac{\tan x}{\sin ^8 x}+C$
$\sin ^8 x \cos x+C$
$\sec x \tan ^7 x+C$
$\frac{3}{2}(95)^{3 / 2}$
$\frac{3}{2}(195)^{3 / 2}$
$\frac{3}{2}(265)^{3 / 2}$
$\frac{3}{2}(175)^{3 / 2}$
$$ \int \frac{d x}{(x+1) \sqrt{x^2+1}}= $$
$\frac{1}{\sqrt{2}} \sinh ^{-1}\left(\frac{1+x}{1-x}\right)+C$
$\frac{1}{\sqrt{2}} \sinh ^{-1}\left(\frac{1-x}{1+x}\right)+C$
$-\frac{1}{\sqrt{2}} \sinh ^{-1}\left(\frac{1-x}{1+x}\right)+C$
$-\frac{1}{\sqrt{2}} \sinh ^{-1}\left(\frac{1+x}{1-x}\right)+C$
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