wyznacz wartosc funkcji f(x) = -x^2+3x-2 dla argumentu x=pierwiastek z 3 +2
f(x) = ( pier z 3 + 4 pier z 3 + 4 ) + 3 pier z 3 + 6 - 2
f(x) = - 7- 4 pier z 3 + 3 pier z 3 + 4
f (x) = - 3- pier z 3
f(x) = -x² + 3x - 2
x = √3 + 2
f(x) = -(√3+2)² + 3(√3+2) - 2 = -(3+4√3+4) + 3√3 + 6 - 2 = -7 - 4√3 + 3√3 + 4 = -3 - √3
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f(x) = ( pier z 3 + 4 pier z 3 + 4 ) + 3 pier z 3 + 6 - 2
f(x) = - 7- 4 pier z 3 + 3 pier z 3 + 4
f (x) = - 3- pier z 3
f(x) = -x² + 3x - 2
x = √3 + 2
f(x) = -(√3+2)² + 3(√3+2) - 2 = -(3+4√3+4) + 3√3 + 6 - 2 = -7 - 4√3 + 3√3 + 4 = -3 - √3