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Integral of (x^3.^root(4xx^2) dx with integral limits 0,4
Integral of x^4/(1+x^2)^4 dx with integral limits 0,5 pls giv me solution for above 2 questns in detailled steps
 one year ago
 one year ago
Integral of (x^3.^root(4xx^2) dx with integral limits 0,4 Integral of x^4/(1+x^2)^4 dx with integral limits 0,5 pls giv me solution for above 2 questns in detailled steps
 one year ago
 one year ago

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Mimi_x3Best ResponseYou've already chosen the best response.1
\[\int x^{3}\sqrt{x^{2}4} dx\]
 one year ago

Mimi_x3Best ResponseYou've already chosen the best response.1
I mean: \[\large \int\limits x^{3}\sqrt{4xx^{2}} dx\]?
 one year ago

sarathkothapalliBest ResponseYou've already chosen the best response.0
Yes limits given in questn
 one year ago

sarathkothapalliBest ResponseYou've already chosen the best response.0
Pls giv me slution in steps as i need to note it
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.0
i think you're supposed to do completing the swuare here
 one year ago

Mimi_x3Best ResponseYou've already chosen the best response.1
well, it's completing the square first then trigsub. Why not you try it; then me typing the solution for you?
 one year ago

sarathkothapalliBest ResponseYou've already chosen the best response.0
I dont know how to do,pls giv me steps
 one year ago

exravenBest ResponseYou've already chosen the best response.0
\[4x  x^2 = (x^2  4x)\]\[= (x^2  4x)  4 + 4\]\[= (x^2  4x + 4) + 4\]\[= 4  (x^2  4x + 4)\]\[= 4  (x  2)^2\]\[\int\limits x^3 \sqrt{4x  x^2}dx = \int\limits x^3 \sqrt{4  (x  2)^2} dx\]there i already completed the square for you, just do trig subs and you'll be fine
 one year ago
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