" 11."(x)/(sqrt(x+4)),x>0

lim_(x rarr0)(x)/(sqrt(x+4)-2)

int_(0)^(4)(dx)/(x+sqrt(x))

If x=(11)/(4-sqrt(5)), find the value of x^(2)-8x+11

lim_(x rarr0)(x)/(sqrt(6-x)-4)

underset(x to 0)"Lt" (x)/(sqrt(4-x)-sqrt(4+x))=

Given that f(x)= {((1-cos4x)/(x^(2))",","if "x lt 0),(a",","if "x =0),((sqrt(x))/(sqrt(16+sqrt(x))-4)",","if "x gt 0):} If f(x) is continuous at x=0 find the value of a.

Given that f(x)= {((1-cos4x)/(x^(2))",","if "x lt 0),(a",","if "x =0),((sqrt(x))/(sqrt(16+sqrt(x))-4)",","if "x gt 0):} If f(x) is continuous at x=0 find the value of a.

lim_(x rarr0)(|x|)/(sqrt(x^(4)+4x^(2)+7))=