Question

find the value of m for which x2-mx-1=0 has equal roots.​

Answer 1

Step-by-step explanation:

${x}^{2} - mx - 1 = 0 \\ x(x - m) - 1 \\ (x - m)(x - 1) \\ - m = x \: \: x = 1 \\ m = - 1 \\ mark \: it \: as \: braineis$

Answer 2

Answer:

-1 is your answer dear

gan.......