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anonymous
 4 years 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
anonymous
 4 years 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

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Mimi_x3
 4 years ago
Best ResponseYou've already chosen the best response.1\[\int x^{3}\sqrt{x^{2}4} dx\]

Mimi_x3
 4 years ago
Best ResponseYou've already chosen the best response.1I mean: \[\large \int\limits x^{3}\sqrt{4xx^{2}} dx\]?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Yes limits given in questn

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Pls giv me slution in steps as i need to note it

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i think you're supposed to do completing the swuare here

Mimi_x3
 4 years ago
Best ResponseYou've already chosen the best response.1well, it's completing the square first then trigsub. Why not you try it; then me typing the solution for you?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I dont know how to do,pls giv me steps

anonymous
 4 years ago
Best 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
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