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Grade: 12
        
All values of m for which both roots of the equation x2-2mx+m2-1=0 are greater than -2 and less than 4, lie in the interval.
20 days ago

Answers : (1)

Arun
15885 Points
							
Dear student
 
using the quadratic formula you see that x = [ 2m ±2 ] / 2 or x = m ±1....x in ( - 2 , 4 ) means m in ( - 1 , 3 )
 
hence option A is correct
20 days ago
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