solve the following quadratic equation by using quadratic formula, factorisation and completing the square method :
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taking 1/x=m
therefore1/x^2=m^2
therefore equation will become
2m^2-5m+2=0
2m^2-4m-1m+2=0
2m(m-2)-1(m-2)=0
(m-2)=0 or 2m-1=0
m=2 or m=(1/2)
put the value of m =1/x
therefore
1/x=2 or 1/x=1/2
x=1/2 or x=2.
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