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For what positive value of k …

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For what positive value of k does the quadratic equation 3 x square minus kx + 3 is equals to zero not have real roots
  • 2 answers

Aman Sharma 6 years, 10 months ago

Thanks

Ram Kushwah 6 years, 10 months ago

3x2-kx+3=0

a=3,b=-k,c=3

b2-4ac=(-k)2-4x(3)(3)

=k2-36

For not having real roots

b2-4ac<0

so k2-36<0

k< 36

k < 6 

or k > -6

 

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