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Grade 10Algebra

what are the roots of the equation x2-2x+3=0

pls solve so that i can understand the way of solving this correctly............

Profile image of aditya kulkarni
15 Years agoGrade 10
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2 Answers

Profile image of Chetan Mandayam Nayakar
15 Years ago

Dear Aditya, 

The roots of ax2+bx+c=0 are (-b±√(b2-4ac))/2a, tharefore the roots of x2-2x+3=0 are (2±√-8)/2 =1±(i√2)

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Chetan Mandayam Nayakar – IIT Madras

Profile image of kirankumar kishor
15 Years ago

you can use formula for this problem (-b +or- sqrt b^2-4ac)/2a. now we going to cal..

(-b=-2,a=1,c=3)

2=+or-sqrt 4(1)(3)/2(1)=2+sqrt-4/sqrt 2 or 2-sqrt-4/sqrt 2