-3sqrt (2) C. -2sqrt (3) D. -1
[ sqrt (3),2] -|||-C. [ -2,-sqrt (3)] D. [ -2,-sqrt (3)] cup [ sqrt (3),2]
[ -sqrt (2),sqrt (2)] D. [ -sqrt (2),0]
A.sqrt(1+x) B.(sqrt(1+x))/(2) C.(sqrt(1+x))/(sqrt(x)) D.(sqrt(1+x))/(2sqrt(x)
sqrt (2)-|||-C. sqrt (34)-|||-○ D. sqrt (2)
计算下列各题:(1)sqrt((1)/(4))×sqrt(144);(2)3sqrt(2)×5sqrt(8);(3)5sqrt(x)•6sqrt((x)^3);
(int )_(1)^sqrt (3)dfrac (dx)({x)^2sqrt (1+{x)^2}};
sqrt (2)pi :2 C. sqrt (2)pi :4 D. sqrt (2)pi :8
(16) (int )_(1)^sqrt (3)dfrac (dx)({x)^2sqrt (1+{x)^2}};
3.复数sqrt (2)+2sqrt (2)i的三角表达式()3.复数的三角表达式()A.B.C.D.