Question

Find the value of m if (m− 12)x2

2 + 2(m − 12)x + 2 = 0 has real and equal

roots.​

Answer 1

Answer:

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Step-by-step explanation:

$(m - 12)x {}^{2} + 2(m - 12)x + 2 = 0$

By using Shree Dhracharya Formula

$x = \frac{ - 2(m - 12)( + - ) \sqrt{4(m - 12) {}^{2} - 8(m - 12) {}^{2} } }{4}$

here we saw the discrimination of formula is negative so it doesn't have real solution for equation.