x²+2x+4=0 ,Find the discriminant of the given quadratic equations and discuss the nature of the roots.
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method to check the nature of root is
1)take out discriminant
2)analyse the discriminant
if: D>0 then real and unequal roots
D=0 then real and equal roots
D<0 then no real roots it means roots are imaginary
D= b^2-4ac
=2^2-4*1*4
= -12<0
means D<0
therefore no real roots
hope this helps you.
please mark it as brainliest.
1)take out discriminant
2)analyse the discriminant
if: D>0 then real and unequal roots
D=0 then real and equal roots
D<0 then no real roots it means roots are imaginary
D= b^2-4ac
=2^2-4*1*4
= -12<0
means D<0
therefore no real roots
hope this helps you.
please mark it as brainliest.
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hence proved your questions
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