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irina1246 [14]
3 years ago
12

N/-3 - 2 = 8 n=___ help

Mathematics
2 answers:
koban [17]3 years ago
8 0

Answer:

\frac{n}{ - 3}  - 2 = 8 \\  \frac{n}{ - 3}  = 8 + 2 \\  = 10 \\ n = 10 \times  - 3 \\ n =  - 30

lys-0071 [83]3 years ago
7 0

Answer:

-30

Step-by-step explanation:

\frac{N}{-3} -2 =8 ( Add 2 on both sides)

\frac{N}{-3} = 10 ( Multiply by -3 on both sides)

N = -30

<u>Verify:</u>

<u />\frac{-30}{-3} =10 (Correct<u>)</u>

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Sladkaya [172]

Answer:

The solution is  \frac{1}{10} * tan^{-1}[\frac{e^{2x}}{5} ] +  C

Step-by-step explanation:

From the question

    The function given is  f(x) =  \frac{e^{2x}}{ 25 + e^{4x}} dx

The  indefinite integral is  mathematically represented as

          \int\limits  {\frac{e^{2x}}{ 25 + e^{4x}}} \, dx

Now  let  e^{2x} =  u

=>   \frac{du}{dx} 2e^{2x}

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\int\limits  {\frac{e^{2x}}{ 25 + e^{4x}}} \, dx =  \int\limits  {\frac{1}{ 2(25 + u^2)} } \, du

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=  \frac{1}{2} \int\limits  {\frac{1}{ 5^2 + u^2)} } \, du

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Now substituting for  u

\frac{1}{10} * tan^{-1}[\frac{e^{2x}}{5} ] +  C

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Step-by-step explanation:

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