Trig Substitution: dx/((x^2+a^2)^(3/2). What should

Integrate x/(x^2 + 4) dx via trig substitution and by u=x^2+4 substitution. Show that results are equal.Via trig substitution of
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2. asked by mathstudent
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should i use substitution?? if yes how should should i use it? plz i need some directions?k plz someone?...so far i used trig.
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2. asked by Maria
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The integral (x^3sqrt(9^2-x^2)) can be transformed using a substitution to 59049 integral cos^4(x) -cos^2(x)i've figured out how
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2. asked by william
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Trig Substitution:dx/((x^2+a^2)^(3/2). What should you use for the trig substitution.
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2. asked by Anonymous
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Integrate 1/(x(x^2+1)) dxusing trig substitution
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Solve the integral using trig substitution (1/((x)(x^2+1)))dx
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2. asked by ANON
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S=integral signS3x(4-x^2)^1/2 use trig substitution I am confused I got x sin(sin^-1(x/2))+cos(sin^-1(x/2))
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2. asked by Anonymous
3. 518 views
1. integral (x^3 * sqrt(x^2-4)) dxI'm confused on how to start this problem, if I am doing trig substitution.
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2. asked by K
3. 626 views
Integrate [1/square root of(e^(2x)-1)]. I have to use u substitution. We are doing the integrals of inverse trig functions, but
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2. asked by Elaine
3. 610 views
What is the integral of 1/(x√(x^2-4)) dx?So I know that I am going to have to factor out the 4 and use the arcsec trig
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2. asked by Terry
3. 527 views