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What is meant by repeated root? What will be the repeated root of an equation like ax^2 + bx + c = 0

What is meant by repeated root?


 


What will be the repeated root of an equation like


 


ax^2 + bx + c = 0

Grade:12

2 Answers

Surbhi Kumari
29 Points
10 years ago

repeated roots means equal or same roots of a quadratic.thus the graph touches x axis only at one point.for the equation

ax^2 + bx + c = 0 is (-b/2a) but only when b2-4ac=0

ajinkya bhole
10 Points
10 years ago

repeated roots iz tht ur eqn iz a perfect square....nd willl touch d x axis only 1ce....Wink

fr ur eqn b2=4ac!!!!Laughing so tht d discriminant bcums zero!!!!
nd u get ur repeated root ie "-b/2a "

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