find m if quadratic equation mx²-6x+2=0 has real and equal roots
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Answer:
m=3 is correct answer of this question
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Step-by-step explanation:
discriminant should be =0
=> b²-4ac = (-6)² -4×m×2 =0
36 = 8m
m = 36/8 = 9/2 = 4.5
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