+x+sqrt (2)=0 C. -x-sqrt (2)=0 D.

参考答案与解析:

相关试题

A.sqrt(1+x) B.(sqrt(1+x))/(2) C.(sqrt(1+x))/(sqrt(x)) D.(sqrt(1+x))/(2sqrt(x))

A.sqrt(1+x) B.(sqrt(1+x))/(2) C.(sqrt(1+x))/(sqrt(x)) D.(sqrt(1+x))/(2sqrt(x)

  • 查看答案
  • sqrt (2)-|||-C. sqrt (34)-|||-○ D. sqrt (2)

    sqrt (2)-|||-C. sqrt (34)-|||-○ D. sqrt (2)

  • 查看答案
  • [ -sqrt (2),sqrt (2)] D. [ -sqrt (2),0]

    [ -sqrt (2),sqrt (2)] D. [ -sqrt (2),0]

  • 查看答案
  • =ln (x+sqrt ({a)^2+(x)^2});

    =ln (x+sqrt ({a)^2+(x)^2});

  • 查看答案
  • [ sqrt (3),2] -|||-C. [ -2,-sqrt (3)] D. [ -2,-sqrt (3)] cup [ sqrt (3),2]

    [ sqrt (3),2] -|||-C. [ -2,-sqrt (3)] D. [ -2,-sqrt (3)] cup [ sqrt (3),2]

  • 查看答案
  • 函数=x+sqrt (1-x)的极值为( )=x+sqrt (1-x)=x+sqrt (1-x)=x+sqrt (1-x)=x+sqrt (1-x)

    函数=x+sqrt (1-x)的极值为( )=x+sqrt (1-x)=x+sqrt (1-x)=x+sqrt (1-x)=x+sqrt (1-

  • 查看答案
  • (2) (x)=ln (x+sqrt (1+{x)^2});

    (2) (x)=ln (x+sqrt (1+{x)^2});

  • 查看答案
  • 若 (x)=ln (x+sqrt (1+{x)^2}) 则 '(x)=dfrac (1)(sqrt {1+{x)^2}}-|||-5-|||-○ C.若 (x)=x(x-1)(x-2)...

    若 (x)=ln (x+sqrt (1+{x)^2}) 则 (x)=dfrac (1)(sqrt {1+{x)^2}}-|||-5-|||-○ C.若 (x)=

  • 查看答案
  • 8 ) =ln (x+sqrt ({a)^2+(x)^2}) );

    8 ) =ln (x+sqrt ({a)^2+(x)^2}) );

  • 查看答案
  • sqrt (2)pi :2 C. sqrt (2)pi :4 D. sqrt (2)pi :8

    sqrt (2)pi :2 C. sqrt (2)pi :4 D. sqrt (2)pi :8

  • 查看答案