find the zeros of the polynomial (x-2)2+4
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Answered by
1
2x-4+4=0.
2x=0
x=0.
zero is one of the zeros of the given polynomial (x-2)2+4=0..
2x=0
x=0.
zero is one of the zeros of the given polynomial (x-2)2+4=0..
Answered by
1
(x-2)^2 +4
= x^2 +4 - 4x + 4
= x^2 - 4x + 8
for zeroes
x^2 - 4x + 8 = 0
such that , a = 1 , b = -4 & c = 8
now, by quadratic formula for value of x
x = ( -4 ± √-4^2+4×8×1) / 2×1
=> x = ( -4 ± √48 ) / 2
=> x = (-4 ± 4√3) / 2
=> x = (-4 + 4√3 ) / 2 or. (-4 - 4√3) /3
=> x = -2(1-√3) or -2(1+√3)
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