If ½ is a root of the quadratic equation x2-mx-5/4=0, then value of m is:
A. 2
B. -2
C. -3
D. 3
Answer:B
If ½ is a root of the quadratic equation x2-mx-5/4=0, then value of m is:
A. 2 B. -2 C. -3 D. 3
Explanation: Given x=½ as root of equation x2-mx-5/4=0.