Answers

2016-01-06T10:25:27+05:30
X=- b± ✓b2-4ac /2a
now,
a=-b+Vb2-4ac/2a
andb=-b-Vb2-4ac/2a
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2016-01-06T12:46:06+05:30
D=b^2 - 4ac
x= -b+or - root of D /  2
so..
roots will be ..
-b+root of D/2 and
-b - root of D/2
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