二、填空题-|||-9.化简: sqrt (8)=
化简n sqrt ({(1+{x)^2)}^3}=。化简。
计算下列各题:(1)sqrt((1)/(4))×sqrt(144);(2)3sqrt(2)×5sqrt(8);(3)5sqrt(x)•6sqrt((x)^3);
已知x=(sqrt(3)-sqrt(2))/(sqrt(3)+sqrt(2)),y=(sqrt(3)+sqrt(2))/(sqrt(3)-sqrt(2)),求3
[题目]化简:-|||-(4(a)^2b-3ab)+(-5(a)^2b+2ab)
sqrt [3](27)= ()-|||-A 8-|||-B 1-|||-C 9-|||-D 3
求下列不定积分(1)int sqrt [5]({(3-5x))^3}dx(2)int sqrt [5]({(3-5x))^3}dx(3)int sqrt [5]
计算:(1)(sqrt(5))2;(2)(-sqrt(0.2))2;(3)(sqrt((2)/(7)))2;(4)(5sqrt(5))2;(5)sqrt((-1
若向量a,b满足 |a|=3 ,|a--|||-=5, cdot b=1, 则 |b|=3sqrt (2)
sqrt (dfrac {3g)(l)}-|||-C. sqrt (dfrac {3g)(2)}-|||-D. sqrt (dfrac {8)(3)}