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alekssr [168]
4 years ago
14

All irrational numbers are real numbers true or false

Mathematics
2 answers:
vekshin14 years ago
8 0
That's\ true.\ Every\ number\ are\ real\ number.\ In\ set\ of\ real\ number\\irrational\ numbers,\ rational\ numbers,\ natural\ numbers,\ integer\\numbers\ are\ contain
iragen [17]4 years ago
3 0
True - irrational numbers are decimals that can't be expressed as a fraction, real numbers include all decimals.
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Use integration by parts to derive the following formula from the table of integrals.
emmasim [6.3K]

Answer:

I= (x^n)*(e^ax) /a - n/a ∫ (e^ax) *x^(n-1) dx +C (for a≠0)

Step-by-step explanation:

for

I= ∫x^n . e^ax dx

then using integration by parts we can define u and dv such that

I= ∫(x^n) . (e^ax dx) = ∫u . dv

where

u= x^n → du = n*x^(n-1) dx

dv= e^ax  dx→ v = ∫e^ax dx = (e^ax) /a ( for a≠0 .when a=0 , v=∫1 dx= x)

then we know that

I= ∫u . dv = u*v - ∫v . du + C

( since d(u*v) = u*dv + v*du → u*dv = d(u*v) - v*du → ∫u*dv = ∫(d(u*v) - v*du) =

(u*v) - ∫v*du + C )

therefore

I= ∫u . dv = u*v - ∫v . du + C = (x^n)*(e^ax) /a - ∫ (e^ax) /a * n*x^(n-1) dx +C = = (x^n)*(e^ax) /a - n/a ∫ (e^ax) *x^(n-1) dx +C

I= (x^n)*(e^ax) /a - n/a ∫ (e^ax) *x^(n-1) dx +C (for a≠0)

5 0
3 years ago
I’m not sure about this one folks plz help:D
solong [7]

35 is the answer

Explanation, the sum of interrior angme is 180degree

x+(3x+40)= 180

or, 4x= 180-40

or, x= 140÷ 4

or x = 35

8 0
4 years ago
Read 2 more answers
The set of integers is closed under the operation of addition.
Brut [27]

Answer:

A: 2+27=29

B: The sum of the integers 2 and 27 is the integer 29, which demonstrates that integers are closed under addition.

Step-by-step explanation:

Since, closed property of addition for a set A is defined as,

∀ x, y ∈ A ⇒ x + y ∈ A,

∵ Set of integer is closed under multiplication,

If Z represents the set of integer,

Then 2, 27 ∈ Z  ⇒ 2 + 27 = 29 ∈ Z,

Hence, the equation illustrates given statement,

2+27 = 29

The statement that correctly explains given statement,

The sum of the integers 2 and 27 is the integer 29, which demonstrates that integers are closed under addition.c

6 0
3 years ago
What is one main characteristic of secondary sources intended for academics and students
klemol [59]
Hey there,

Your question states: <span>What is one main characteristic of secondary sources intended for academics and students

Your correct answer would be (</span>They include a bibliography and citations to credit the sources.<span>) It pretty much really depends on the (FOS). The field of study would depend weather if they would have drawling's on the map or if they wouldn't. The use different resources such as different references.

Hope this helps.
~Jurgen

</span>
5 0
3 years ago
Read 2 more answers
The ratio of cows to chickens on Jack's farm is 3:5. Choose ALL correct statements that describe this relationship.
aivan3 [116]
What are the answer choices
4 0
4 years ago
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