WAEC - Mathematics (1994 - No. 17)
For what value of x is the expression \(\frac{x^2 + 15x + 50}{x - 5}\) not defined ?
-10
-5
o
5
10
Vysvětlení
\(\frac{x^2 + 15x + 50}{x - 5}\)
It is undefined when x - 5 = 0.
That is at x = 5.
\(\frac{x^2 + 15x + 50}{x - 5}\)
It is undefined when x - 5 = 0.
That is at x = 5.