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3 years ago

What is the coefficient in the expression shown? 42 + 2c 2 42 c 2c

Mathematics

2 answers:

Tpy6a [65]3 years ago

8 0

That could use some punctuation.

I think the expression is

42 + 2c

We call 42 and 2c the terms, 42 is the constant or the constant term, 2c is the linear term, with a coefficient of 2 and variable c.

Answer: 2

Leokris [45]3 years ago

5 0

Answer: A. 2

Step-by-step explanation:

That could use some punctuation.

I think the expression is

42 + 2c

We call 42 and 2c the terms, 42 is the constant or the constant term, 2c is the linear term, with a coefficient of 2 and variable c.

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If you're using the app, try seeing this answer through your browser: brainly.com/question/2822772

_______________

Evaluate the indefinite integral:

$\mathsf{\displaystyle\int\! \frac{cos\,x}{sin^2\,x}\,dx}\\\\\\
=\mathsf{\displaystyle\int\! \frac{1}{(sin\,x)^2}\cdot cos\,x\,dx\qquad\quad(i)}$

Make the following substitution:

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$=\mathsf{\displaystyle\int\! \frac{1}{u^2}\,du}\\\\\\
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Integrate it by applying the power rule:

$\mathsf{=\dfrac{u^{-2+1}}{-2+1}+C}\\\\\\
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$\mathsf{=-\,\dfrac{1}{sin\,x}+C}\\\\\\
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$\therefore~~\boxed{\begin{array}{c}\mathsf{\displaystyle\int\! \frac{cos\,x}{sin^2\,x}\,dx=-\,csc\,x+C} \end{array}}\qquad\quad\checkmark$

I hope this helps. =)

Tags: <em>indefinite integral substitution trigonometric trig function sine cosine cosecant sin cos csc differential integral calculus</em>

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