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If b2 - 4ac = 0 then The roots of the Quadratic equation ax2 + bx + c = 0 are given by :
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Ifb2 - 4ac= 0 then The roots of the Quadratic equationax2 + bx + c = 0...
Formula for finding the roots of a quadratic equation is

So since 
b- 4ac = 0, putting this value in the equation

So there are repeated roots
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Community Answer
Ifb2 - 4ac= 0 then The roots of the Quadratic equationax2 + bx + c = 0...
Formula for finding the roots of a quadratic equation is

So since 
b- 4ac = 0, putting this value in the equation

So there are repeated roots
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Ifb2 - 4ac= 0 then The roots of the Quadratic equationax2 + bx + c = 0are given by :a)b)c)d)Correct answer is option 'B'. Can you explain this answer?
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