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| =Additional Information= | | =Additional Information= |
− | ==Useful websites==[http://in.ixl.com/math/class-x/characteristics-of-quadratic-equations] | + | ==Useful websites== |
− | | + | click here |
| + | *[http://in.ixl.com/math/class-x/characteristics-of-quadratic-equations] |
| + | *wikipedia link for quadratic equation [http://en.wikipedia.org/wiki/Quadratic_equation] |
| ==Reference Books== | | ==Reference Books== |
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