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2 years ago

Some answer my question

Mathematics

2 answers:

Molodets [167]2 years ago

7 0

Answer:

im just in school right now XD

Step-by-step explanation:

when i come back

vovikov84 [41]2 years ago

4 0

Answer:

I don't have a clue and :3 is your 1st-period teacher named Mrs. SIKE I AINT GONNA EXPOSE MY DEAR TEACHA NAME!!

Step-by-step explanation:

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Lim x->pi/3 ((2cosx-1)/(tan^2x-3))

beks73 [17]

You can check that the limit comes in an undefined form:

$\displaystyle \lim_{x\to\frac{\pi}{3}} \frac{2\cos(x)-1}{\tan^2(x)-3}=\dfrac{0}{0}$

In these cases, we can use de l'Hospital rule, and evaluate the limit of the ratio of the derivatives. We have:

$\dfrac{\text{d}}{\text{d}x}2\cos(x)-1 = -2\sin(x)$

and

$\dfrac{\text{d}}{\text{d}x}\tan^2(x)-3 = 2\dfrac{\tan(x)}{\cos^2(x)}=\dfrac{2\sin(x)}{\cos^3(x)}$

So, we have

$\displaystyle \lim_{x\to\frac{\pi}{3}} \frac{2\cos(x)-1}{\tan^2(x)-3}=\lim_{x\to\frac{\pi}{3}} \dfrac{-2\sin(x)}{\frac{2\sin(x)}{\cos^3(x)}}=\lim_{x\to\frac{\pi}{3}}-\cos^3(x)=-\cos^3\left(\dfrac{\pi}{3}\right)$

6 0

3 years ago

A(x-b)+bx-c=a+b, when a DOES NOT = -b ; FIND X PLEASE!!! WILL GIVE BRAINLIEST!!

tangare [24]

9514 1404 393

Answer:

x = (ab +a +b +c)/(a +b)

Step-by-step explanation:

Eliminate parentheses, subtract left terms not containing x, divide by the coefficient of x.

$a(x-b)+bx-c=a+b\\\\ax+bx-ab-c=a+b\\\\x(a+b)=ab+a+b+c\\\\\boxed{x=\dfrac{ab+a+b+c}{a+b}}$

6 0

2 years ago

On Saturday, 15,598 people attended a music festival. How does the value represented by the 5 in the hundreds place compare with

Vadim26 [7]

Answer:

Gahsbdhhajauhdussjm

Step-by-step explanation:

Jajasjsjsjzjbdbsnsndjjz

6 0

3 years ago

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Find the GCF of the following literal terms.<br><br> m^7n^4p^3 and mn^12p^5

Sidana [21]

I hope this helps you

3 0

3 years ago

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what percentage of discount should be in a watch costing Rs 270 Such that a custumer can by Rs 243 ?

castortr0y [4]

Answer:

10 percentage is the ans

Step-by-step explanation:

see the pic there is full step

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3 years ago

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