3 years ago

A certain triangle has two 45° angles. What type of triangle is it?

Mathematics

1 answer:

wariber [46]3 years ago

5 0

Answer:

an acute triangle

Step-by-step explanation:

an acute triangle has angles that are less than 90 degrees

right triangles have a right angle

obtuse triangles have angles greater than 90 degrees

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Eva8 [605]

Substitute $u=\ln x$ , so that $\mathrm du=\dfrac{\mathrm dx}x$ . The integral is then equivalent to

$\displaystyle\int\frac{\mathrm dx}{x\ln^px}=\int\frac{\mathrm du}{u^p}=\begin{cases}\dfrac{u^{p+1}}{p+1}+C&\text{for }p\neq1\\\\\ln|u|+C&\text{for }p=1\end{cases}$

Then transforming back to $x$ gives

$\displaystyle\int\frac{\mathrm dx}{x\ln^px}=\begin{cases}\dfrac{\ln^{p+1}x}{p+1}+C&\text{for }p\neq1\\\\\ln|\ln x|+C&\text{for }p=1\end{cases}$

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uysha [10]

Answer:

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2 years ago

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TiliK225 [7]

Answer:

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Step-by-step explanation:

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noname [10]

Answer

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Step-by-step explanation:

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