Question

show that the polynomial x^2-2x+5 has no zeros

Answer 1

you solve this problem by quadratic equation b^2-4ac you get 15 ans

Answer 2

HERE IS YOUR ANSWER

This can be solved by using formula

$b {2} - 4ac$

= x^2- 2x + 5

= b^2 - 4ac

= { 2 }^2 - 4{1} {5}

= 4 - 20

= - 16

Therefore the formula has no zeroes

As it is less than 0

$b {2} - 4ac < 0$

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