The value of f(0) so that `f(x)=(cos^(2)x-sin^(2)x-1)/(sqrt(x^(2)+1)-1` is continuous at x=0 is

Value of f(0) so that f(x) = (cos 2x-1)/(sqrt(x^(2)+1)-1) is continuous at x = 0 is

If f9x),={(cos^(2)x-sin^(2)x-1)/(sqrt(x^(2)+1)-1)x,!=0,x=0, is continuous at x=0, find k

The value of f(00) so that the function f(x)=(2x-Sin^(-1)x)/(2x+Tan^(-1)x) is continuous at x=0, is

If the function f(x) = (cos^(2)x - sin^(2)x-1)/(sqrt(x^(2)+1)-1), x != 0 , is continuous at x = 0, then f(0) is equal to

If the function f(x) = (cos^(2)x - sin^(2)x-1)/(sqrt(x^(2)+1)-1), x != 0 , is continuous at x = 0, then f(0) is equal to

Value of a so that f(x) = (sin^(2)ax)/(x^(2)), x != 0 and f(0) = 1 is continuous at x = 0 is

Find the value of f(0) so that f(x) = (1)/(x) - (2)/(e^(2x) -1) , x ne 0 is continuous at x = 0 .

Value of f(0) so that f(x) = [ ((1+x)^(5))/((1+2x))]^(1//x) is continuous at x = 0 is

if f(x)=(cos^(2)x-sin^(2)x-1)/(sqrt(x^(2)+1)-1),x!=0 and f(x)=k,x=0 is continuous at x=0 then k=

Find the value of f(0) so that f(x) = ((a + x)^(2) sin (a + x) - a^(2) sin a)/(x) is continuous at x = 0 .