a)1/2x⁴ + 7/2x² + 6 = 0 0,0625x + 12,25 + 6 = 0 18,25 = -0,0625x 292 = x b) 2x⁴ -6x² + 10 = 0 32x - 36x + 10 = 0 10 = 36x - 32x 10 = 4x 2,5 = x c) 4x⁴ - 20x² + 25 = 0 256x - 400x + 25 = 0 25 = 400x - 256x 25 = 144x 5,76 = x d) 8x² - 2x - 3 = 0 64x - 2x - 3 = 0 -3 = -64x + 2x -3 = -62x 20,7 = x Nie jestem pewien co do wyniku.
a)1/2x⁴ + 7/2x² + 6 = 0| *2 2*1/2x⁴ +6 7/2x² + 6*6 =6* 0 x⁴+ 7x²+12=0 x⁴ + 7x² = -12 7x⁶=-12|:7 x⁶=-12|:6 x=-2 b) + 10 = 0 2x⁴ -6x²=-10 -4x²=-10|:(-4) x²=2,5|:2 x=1,25 c) 4x⁴ - 20x² + 25 = 0 4x⁴ - 20x² = -25 -16x²=-25|:(-16) x²=1,5625|:2 x=0,63125 d) 8x² - 2x - 3 = 0 8x² - 2x=3 -16x³=3|(-16) x³=-0,1875|:3 x=0,0625
