Question

write the zeros of the polynomial

x square - 2 X + 4
​

Answer 1

To find zeroes of this
we can use quadratic formula:

x²-2x+4

D = b²-4ac
= (-2)² -4×1×4
= 4 -16
= -12

x = -b ±√D /2a
x = -(-2)±√-12 /2×1
x = 2±2√-3 /2
$x = \frac{2(1 + - \sqrt{ - 3} }{2}$
x = 1±√-3

so x = 1+√-3 or x = 1-√-3

hope this helps u....