Question

polynomial x square - 2 X + 5 has no real heroes​

Answer 1

D = b^2-4ac

= 4- 4×1×5

=-16

so it hs no real root. it has complex root.

Answer 2

$\huge{\boxed{\boxed{\red{\ulcorner{\mid{\overline{\underline{\bf{Answer:-}}}}}\mid}}}}$

$d = {b}^{2} - 4ac. \\ \\ = {( - 2)}^{2} - 4 \times 1 \times 5. \\ \\ = 4 - 20. \\ \\ = - 16.$

Yes , it have no real roots.

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