Question

Find the nature of roots

5x^2-2√15+13​

Answer 1

Answer:

Step-by-step explanation:

$5x^{2} -2\sqrt{15}+13$

a=5   b=-2$\sqrt{15}$   c=13

D=$b^{2}$-4ac

  =$(-2\sqrt{15} )^{2}$- 4x5x13

  =60-260

  =-200

D<0, no real roots

Answer 2

Answer:

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