kahalil varg samikaran purn bath padhatine sodva x2-3x-1=0
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comparing the above with
then,
a=1 b=-3 and c=-1
by formula method,
X=-b+- √b^2-4ac/2a
X=-(-3)+-(√(9-4×1(-1))/2
X=-3+-(√9+4)/2
x=-3+-(√13)/2
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