ఇచ్చిన సమాకలని \(\rm \int\left(1+x-\frac{1}{x}\right) e^{x+\frac{1}{x}} d x\) కు సమానమైనది

1
\(\rm (x-1) e^{x+\frac{1}{x}}+c \)
2
\(\rm x e^{x+\frac{1}{x}}+c \)
3
\(\rm (x+1) e^{x+\frac{1}{x}}+c \)
4
\(\rm (x+1) e^{x-\frac{1}{x}}+c \)

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