All the values of m for which both roots of the equations x 2 − 2 m x + m 2 − 1 = 0 are greater than − 2 but less than 4 , lie in the interval

Question

TestHub · Accepted Answer

Equation x 2 − 2 m x + m 2 − 1 = 0 ​ ( x − m ) 2 − 1 = 0 ( x − m + 1 ) ( x − m − 1 ) = 0 x = m − 1 , m + 1 − 2 < m − 1 and m + 1 < 4 ​ m > − 1 and m < 3 − 1 < m < 3

Mathematics - Quadratic Equation Question with Solution | TestHub

Options:

Doubts & Discussion