rozwiąż równania:
a)-4x(x-3)(x-)(x+4)=0
b)(x-1-)(x-1+)(x-4)=0
c)(=0
d)(x+4)-(x+4)=0
e)(-4)-49(-4)=0
f)(x-)-2(x-)=0
a)
- 4x( x - 3)*( x - p(2))*(x + 4) = 0
x = 0 lub x -3 = 0 lub x - p(2) = 0 lub x + 4 = 0
x = 0 lub x = 3 lub x = p(2) lub x = - 4
=======================================
b)
( x - 1 -p(2))*( x - 1 + p(2))*( x - 4) = 0
x - 1 - p(2) = 0 lub x - 1 + p(2) = 0 lub x - 4 = 0
x = 1 = p(2) lub x = 1 - p(2) lub x = 4
=========================================
c)
6x^2 *(x + 2)^4 * ( x - 3)^3 = 0
x = 0 lub x + 2 = 0 lub x - 3 = 0
x = 0 lub x = -2 lub x = 3
=========================
d)
4 x^2( x + 4) - ( x + 4) = 0
( x + 4)*( 4 x^2 - 1) = 0
x + 4 = 0 lub 4 x^2 - 1 = 0
x = - 4 lub 4 x^2 = 1
x = - 4 lub x^2 = 1/4
x = - 4 lub x = -1/2 lub x = 1/2
===============================
e)
9 x^2 *( x^2 - 4)- 49*( x^2 - 4) = 0
( x^2 - 4)*(x^2 - 49) = 0
( x - 2)*(x + 2)*( x - 7)*( x + 7) = 0
x -2 = 0 lub x + 2 = 0 lub x - 7 = 0 lub x + 7 = 0
x = 2 lub x = - 2 lub x = 7 lub x = - 7
====================================
f)
x^2 *( x - p(2))- 2 *( x - p(2)) = 0
( x - p(2))*( x^2 - 2) = 0
( x - p(2))*( x - p(2))*( x + p(2)) = 0
x -p(2) = 0 lub x + p(2) = 0
x = p(2) lub x = - p(2)
=====================
p(2) - pierwiastek kwadratowy z 2
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a)
- 4x( x - 3)*( x - p(2))*(x + 4) = 0
x = 0 lub x -3 = 0 lub x - p(2) = 0 lub x + 4 = 0
x = 0 lub x = 3 lub x = p(2) lub x = - 4
=======================================
b)
( x - 1 -p(2))*( x - 1 + p(2))*( x - 4) = 0
x - 1 - p(2) = 0 lub x - 1 + p(2) = 0 lub x - 4 = 0
x = 1 = p(2) lub x = 1 - p(2) lub x = 4
=========================================
c)
6x^2 *(x + 2)^4 * ( x - 3)^3 = 0
x = 0 lub x + 2 = 0 lub x - 3 = 0
x = 0 lub x = -2 lub x = 3
=========================
d)
4 x^2( x + 4) - ( x + 4) = 0
( x + 4)*( 4 x^2 - 1) = 0
x + 4 = 0 lub 4 x^2 - 1 = 0
x = - 4 lub 4 x^2 = 1
x = - 4 lub x^2 = 1/4
x = - 4 lub x = -1/2 lub x = 1/2
===============================
e)
9 x^2 *( x^2 - 4)- 49*( x^2 - 4) = 0
( x^2 - 4)*(x^2 - 49) = 0
( x - 2)*(x + 2)*( x - 7)*( x + 7) = 0
x -2 = 0 lub x + 2 = 0 lub x - 7 = 0 lub x + 7 = 0
x = 2 lub x = - 2 lub x = 7 lub x = - 7
====================================
f)
x^2 *( x - p(2))- 2 *( x - p(2)) = 0
( x - p(2))*( x^2 - 2) = 0
( x - p(2))*( x - p(2))*( x + p(2)) = 0
x -p(2) = 0 lub x + p(2) = 0
x = p(2) lub x = - p(2)
=====================
p(2) - pierwiastek kwadratowy z 2