Utilizando mudança de variável, calcule as seguintes integrais: (a) integral raiz1-4 x^2 d x (b) integral 1raiz4-x^2 d x © integral0^1 t^2 raiz1-t^2 d t. (d) integral0^1 a raiz1-a^2 da. (e) integral0^1 dx raiz2 x-x^2. (f) integral0^1 x^3 raiz1-x^2 dx. (g) integral0^1 raiz2 a^2 raiz1-a^2 da. MOSTRAR SOLUÇÃO COMPLETAExercícios relacionadosCalcule: (a) integral0^1 1(x+1)^5 d x (b) integral-1^0 t^2 raiz1+t^3 d t © integral0^1 x(x+1)^5 d x (d) integral-1^0 x^2 e^x^3 d x (e) integral0^1 x raiz1+2 x^2 d x (f) integral0^3 xraizx+1 d x (g) integral0^1 sraizs^2+1 d s (h) integral0^1 x^3(x^2+3)^10 d x (i) integral0^pi3 sen(x) cos ^2(x) d x. (j) integralpi3^pi2 sen(x) sen^2(x) d x. (k) integralpi3^pi2 sen^3(x) d x. (l) integral0^5 e^-x sin x dx. (m) integral raiz1-x^2 dx. (n) integral0^1 x^2x+2dx. Calcule as seguintes integrais indefinidas: (a) integral 3 d x (b) integral(a x+b) d x © integral(3 raiz[5]x^2+3) d x (d) integral x^2+1x d x (e) integral sen 5 x d x (f) integral(5 e^7 t+e^-t+cos 7 t) d t. Calcule: (a) integral0^1 x e^x d x (b) integral1^2 ln t d t © integral0^pi x^3 cos (x^2) d x. (d) integral0^x t^2 e^-s t d t, sendo s neq 0. Utilize a mudança de variável u=tg(x2) para calcular as integrais seguintes: (a) integral 1sen x+cos x d x (b) integral 2 tg x2+3 cos x d x © integral0^pi2 12+sen x d x.