" If "f(x)=x[sqrt(x)-sqrt(x+1)]," then "

If f(x)=sqrt(x+2sqrt(x))," then "f'(1)=

[" If "f(x)=(x)/(sqrt(x+1)-sqrt(x))" be a real valued function "],[" then: "],[0" f(x) is continuous,but "f'(0)" does not "],[" exist "],[" O "f(x)" is differentiable at "x=0],[" O "f(x)" is not continuous at "x=0],[" (x) is not differentiable at "x=0]

If f(x)=sqrt(1+x)-3sqrt(4-x) , then f(x) is defined when x lies in

f(x)={[x]+sqrt(x),x =1}

Let f:[-oo,0]rarr[1,oo) be defined as f(x)=(1+sqrt(-x))-(sqrt(-x)-x), then

If f(x)=(x)/(sqrt(x+1)-sqrt(x)) be a real valued function,then

If f(x)=(sqrt(x)+(1)/(sqrt(x)))^(2)," then: "f'(2)=

If f(x)=sqrt(1-sqrt(1-x^(2))) then at x=0