What value of m if the equation have two equal roots mx(x-7)+ 49
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mx(x-7) + 49
mx² - 7mx + 49 = 0
as roots are equal
therefore discriminant = 0
b² - 4ac = 0
b² = 4ac
49m² = 4(m)(49)
m² = 4m
m = 4
mx² - 7mx + 49 = 0
as roots are equal
therefore discriminant = 0
b² - 4ac = 0
b² = 4ac
49m² = 4(m)(49)
m² = 4m
m = 4
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