What are the roots of equation 10t^2-20t+20
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in the given quadratic equation a=10,b=-20 and c=20
so,D(discriminant of the quadratic equation)=b^2-4ac
D=(-20)^2 -4×10×20=400-800
D=-400
D<0 so,given quadratic equation have imaginary.
so,D(discriminant of the quadratic equation)=b^2-4ac
D=(-20)^2 -4×10×20=400-800
D=-400
D<0 so,given quadratic equation have imaginary.
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