Question

If product of roots of the equation x² – 4mx + 3e^2logm – 4 = 0

is 8, then its roots are real, when m equals –

• A. 1
• B. 2
• C. 2 or – 2
• D. – 2

Answer 1

Answer: (B)

2

Answer 2

3^2logm – 4 = 8,$e^{\log_{c}m^{2}}$ = 4 Ž m² = 4 Ž m = ± 2