Petrus
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Hello MHB,
$$\int_4^1\int_1^2 \frac{x}{y}+\frac{y}{x}dydx$$
My progress:
$$\int_1^4[x\ln(y)+\frac{y^2}{2x}]_1^2$$
$$\int_1^4 x\ln(2)+\frac{2}{x}-\frac{1}{2x}dx$$
$$[\frac{x^2\ln(2)}{2}+2\ln(2)-\ln(2x)]_1^4$$
What I am doing wrong?
Regards,
$$\int_4^1\int_1^2 \frac{x}{y}+\frac{y}{x}dydx$$
My progress:
$$\int_1^4[x\ln(y)+\frac{y^2}{2x}]_1^2$$
$$\int_1^4 x\ln(2)+\frac{2}{x}-\frac{1}{2x}dx$$
$$[\frac{x^2\ln(2)}{2}+2\ln(2)-\ln(2x)]_1^4$$
What I am doing wrong?
Regards,