1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
rusak2 [61]
3 years ago
8

Find the integral of 1/sqrt(x^2-9)

Mathematics
1 answer:
Vesna [10]3 years ago
6 0
Let x = 3secβ, then dx = 3secβtanβ

∫dx/√(x²-9) = ∫[(3secβtanβ)/(3tanβ)]dβ
                 = ∫secβdβ
                 = ln |tanβ - secβ| + c
                 = ln |√(x² - 9)/3 - x/3| + C
                 = ln |√(x² - 9)/x| + C
You might be interested in
What is the volume of a cylinder that is 6 ft high and 3 ft in diameter
Sholpan [36]
I think the answer is 169.65ft.
6 0
3 years ago
Name the set(s) of numbers which belong to -1/2 belongs
OLEGan [10]

Answer:

2 rational number because it's negative it can't be natural and cuz it's fraction it can't be whole nor integers

4 0
3 years ago
Read 2 more answers
( URGENT) What are the roots of the polynomial equation x Superscript 4 Baseline + x cubed = 4 x squared + 4 x? Use a graphing c
Finger [1]

Answer:

A.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Simplify 6 to the 3rd
elixir [45]

Answer:

Isnt it 2?

Step-by-step explanation:

7 0
3 years ago
Jerome has 5 albums with 18 baseball cards in each. His friend gives him 7 packages of Baseball cards with 13 cards in each. If
jeka57 [31]
I think it would be 232 but not sure

7 0
3 years ago
Other questions:
  • 1)(2x^3)^2 x 6x^2 <br><br> 2)6r^6 x (4r^3)^3<br><br> 3)(2m^0 x 5m)2 x 5m^2
    5·1 answer
  • Please help me on number 2
    10·1 answer
  • Evaluate the expression for 2x+3 for x = 7
    6·1 answer
  • The difference of three times a number and five is four. Find the number
    13·1 answer
  • Use to model the problem draw the block to show your work
    7·1 answer
  • 250 gramı 3.75 TL olan peynirin 1 kilogramı kaç liradır?​
    5·1 answer
  • I need help on this question
    11·1 answer
  • On Tuesday, there were 400 customers at a movie theater, and each customer paid $8 for a ticket. On Wednesday, the owner of the
    6·1 answer
  • 17 1/4 over 100 as a decimal
    8·2 answers
  • StartFraction 6 Over 7 EndFraction x + one-half = StartFraction 7 Over 8 EndFraction for x?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!