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vladimir2022 [97]
3 years ago
5

100 POINTS Evaluate the derivative of the function number 38

Mathematics
2 answers:
patriot [66]3 years ago
8 0

Answer:

 1/ sqrt(1+ln^2(x))    * 1/(ln^2x +1) * 1/x

Step-by-step explanation:

f(x) = sin (tan^-1 (ln(x)))  

u substitution

       d/du (sin u)  * du /dx

            cos (u) * du/dx

Let u =(tan^-1 (ln(x)))     du/dx =d/dx  (tan^-1 (ln(x)))

v substitution

                                             Let v = ln x                dv/dx = 1/x

                                              d/dv  (tan ^-1 v)  dv/dx

                                                          1/( v^2+1) * dv/dx

                                                        =1/(ln^2x +1) * 1/x

Substituting this back in for  du/dx

cos (tan^-1 (ln(x))  * 1/(ln^2x +1) * 1/x

We know that cos (tan^-1 (a)) = 1/ sqrt(1+a^2)

cos (tan^-1 (ln(x))  * 1/(ln^2x +1) * 1/x

 1/ sqrt(1+ln^2(x))     * 1/(ln^2x +1) * 1/x

                                           

ryzh [129]3 years ago
8 0

Answer:

cos((tan^-1)(lnx))/[x(1 + ln²x)]

Step-by-step explanation:

Sin((tan^-1)(lnx))

First differentiate the outer function 'sin'

Then inner functions

derivative of:

sin(x) is cos(x)

tan^-(x) = 1/(1+x²)

lnx = 1/x

cos((tan^-1)(lnx)) × [1/(1 + ln²x)] × 1/x

cos((tan^-1)(lnx))/[x(1 + ln²x)]

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mojhsa [17]

Answer:

C. 9

Step-by-step explanation:

it's multiple choice so plug each value in

A = -26

B = -34

C = 22

D = 46

so the answer is c

6 0
3 years ago
6.1 greater less than or equal to 1.6
zhuklara [117]

Answer: 6.1 > 1.6 (greater)

Step-by-step explanation:

6 in 6.1 is greater than the 1 in 1.6

8 0
3 years ago
Read 2 more answers
Can someone please help me i'm not good at this.
insens350 [35]
Rational: (-15.333), (sqt of 400), (8.62134), (15 5/6), (-3 4/5)

Irrational: (sqt of 6), (pi), (sqt of 56), (sqt of 31)
5 0
3 years ago
Please answer this question correctly please answer this question correctly
Yanka [14]

Answer:

\frac{(8+2)^2}{2} = 50

10+5^2-3 * 2^2 = 23

Step-by-step explanation:

\frac{(8+2)^2}{2}

\frac{10^2}{2}

\frac{100}{2}

50

------------------------------

10+5^2-3 * 2^2

10+25-3 * 4

10+25-12

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8 0
3 years ago
What is the range of AB?
lana66690 [7]

a, b, c - sides of a triangle

Therefore:

a + b > c

a + c > b

b + c > a

---------------------------------

We have a = AB, b = 140mi, c = 100mi.

(1)     a + b > c

AB + 140 > 100    <em>subtract 140 from both sides</em>

AB > -40 → AB > 0

----------

(2)    a + c  > b

AB + 100 > 140      <em>subtract 100 from both sides</em>

AB > 40

-----------

(3)    b + c > a → a < b + c

AB < 140 + 100

AB < 240

<h3>Answer: 40 < AB < 240</h3>
3 0
2 years ago
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