MCQ
$
\int e^r\left(\frac{1+\tan x}{\cos x}\right) d x=\ldots \ldots \ldots \ldots+c
$
\int e^r\left(\frac{1+\tan x}{\cos x}\right) d x=\ldots \ldots \ldots \ldots+c
$
- ✓$e^x \sec x$
- B$e^x \tan x$
- C$e^x \cos x$
- D$e^x \sin x$
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માટે $x(\alpha, 1,2)+y(1, \beta, 2)+z(2,3, \gamma)=(0,0,0)$ હોય, તો $6 \alpha+4 \beta+\gamma=$..............