Quadratic equation `x_(1,2)=(-b+-sqrt(b^2-4a c))/(2a)`

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Quadratic equation `x_(1,2)=(-b+-sqrt(b^2-4a c))/(2a)`

Postby admin » Mon 14 March, 2011 10:19

Typing quadratic equation easy:
to type `+-` we simply type \`+-\` after each other.
to type `sqrt(2+5)` simply type \`sqrt(2+5)\`
to type the frction `a/b` just type \`a/b\`
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