If `f(x)` is continuous at `x=2`, where `f(x)={:{((x^(2)-(a+2)x+a)/(x-2)", for " x!=2),(2", for " x=2):}`, then `a=`

If f(x) is continuous for all x, where f(x)={:{((x^(2)-7x+12)/((x-2)^(2))", for "x!=2),(k ", for" x = 2 ):} , then k=

If f(x) is continuous at x=0 , where f(x)={:{((sec^(2)x)^(cot^(2)x)", for " x!=0),(k", for " x=0):} , then k=

Is f(x) = x^2 continuous at x=2 ?

If f(x) is continuous at x=3 , where f(x)={:{((x^(2)-9)/(x-3),", for"x!=3),(2x+k,", otherwise"):} , then k=

If f(x) is continuous at x=0 , where f(x)={:{((cos^(2)x-sin^(2)x-1)/(sqrt(x^(2)+1)-1)", for " x!=0),(2k", for " x=0):} , then k=

If f(x) is continuous at x=0 , where f(x)=(e^(x^(2))-cosx)/(x^(2)) , for x!=0 , then f(0)=

If f(x) is continuous at x=2 , where f(x)=(x-1)^((1)/(2-x)) , for x!=2 , then f(2)=

If f(x) is continuous at x=2 , where f(x)=((x^(2)-x-2)^(20))/((x^(3)-12x+16)^(10)) , for x!=2 , then f(2)=

If f(x) is continuous at x=2 , where f(x)={:{(4x-3", for " x lt 2),(kx+7", for " x gt 2):} , then k=