All the values of for which both roots of the equation are greater than but less than

MATHEMATICS · Single correct · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

All the values of

m

for which both roots of the equation

x^2 - 2mx + m^2 - 1 = 0

are greater than

-2

but less than

4

, lie in the interval (1)

-2 < m < 0

(2)

m > 3

(3)

-1 < m < 3

(4)

1 < m < 4