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Sidana [21]
4 years ago
8

How to solve r^2/2r^3 step by step please

Mathematics
1 answer:
ZanzabumX [31]4 years ago
3 0
Can't solve this, because it's not an equation.  It's an expression, and I think your goal is to simplify it.

<span>r^2/2r^3 would be better written as 

</span><span> r^2            r^2
------- = -----------       this should be reduced by cancelling "r^2:"
2r^3       2r(r^2)


    1
--------     (answer)
   2r</span>
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Determine which values of p the following integrals converge. Give your answer in each case by selecting the appropriate inequal
sashaice [31]

Answer:

Step-by-step explanation:

a)

\int\limits^2_1 {\frac{1}{x(lnx)^p} } \, dx

this can be done by substitute lnx = u

dx/x = du

When x =1, u =0 and when x =2, u = ln 2

So integral = \int\limits^{ln2} _0 {du/u^p} \\\=\frac{u^{-p+1} }{-p+1}

We find that this integral value is not definid for p =1

Hence for values of p other than 1, this converges.

When we substitute limits

\frac{1}{1-p} ((ln2)^{1-p} -1)

and converges for p ≠1

b) \int\limits^1_0 {lnx}/x^p \, dx \\\int \frac{\ln \left(x\right)}{x^p}dx=\frac{1}{-p+1}x^{-p+1}\ln \left(x\right)-\frac{x^{-p+1}}{\left(-p+1\right)^2}+C

So not converging for p =1

But ln x is defined only for x >0

So integral 0 to 1 makes this integral not valid and hence not convergent.

7 0
4 years ago
Convert 8 7/9 yard into in
ZanzabumX [31]

Answer:

316 in.

Step-by-step explanation:

12 inches = 1 foot

8 feet. = 96 inches

And, add 7/9 of a yard.

Your answer is 316 in.

Hope this helps!

3 0
3 years ago
Read 2 more answers
If comparing x^2 to x^3, which value of x gives the greatest difference:x=6,x=8,x=10?
VMariaS [17]

Answer:

the value of x that gives the greatest difference is 10.

Step-by-step explanation:

Given;

x² and x³

values of x = 6, 8 and 10

When x = 6

6³ - 6² = 216 - 36 = 180

When x = 8

8³ - 8² = 512 - 64 = 448

When x = 10

10³ - 10² = 1000 - 100 = 900

Therefore, the value of x that gives the greatest difference is 10.

5 0
3 years ago
PLEASE HELP! but pleassseee don't answer if you just want the points I'll report you. It's really simple I'm just REALLY not sma
AysviL [449]

Answer:

A) 15x+9x

B) you have to graph

C)yes, all she wants to do is make 90 bucks she can totally do more if she wants

D) you can choose

Step-by-step explanation:

15*12 & 9*12

3 0
3 years ago
Calculate the angles of an isosceles triangle that<br>has sides of length 9 cm, 9 cm and 14 cm.​
Alex777 [14]

Answer:

Step-by-step explanation:

7 0
3 years ago
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