Question 984382
Hi dear,
If f(x)={{{(10x-A)/(x-10)}}}
suppose f(4)=0
then,Put x=4 in the function,
{{{(40-A)/(4-10)=0}}}
{{{(40-A)/(-6)=0}}}
40-A=0
A=40
the value of A is 40
f(x) is not defined at x=10