Question

if ax2+bx+c=0,find c

Answer 1

Answer:

Difference of roots = √D / a = √(b²-4ac) / a

=> 0 = √(b²-4ac) / a

=> 0 = √(b²-4ac)

=> b² - 4ac = 0

=> 4ac = b^2

=> c = b^2/4a

Hence, if ax^2 + bx + c = 0 has equal roots, then c = b^2/4a

Answer 2

Answer:

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