Selesaikan $$$4 y^{2} - 20 = 0$$$ terhadap $$$y$$$ (akar riil)
Masukan Anda
Selesaikan persamaan $$$4 y^{2} - 20 = 0$$$ terhadap $$$y$$$ pada selang $$$\left(-\infty, \infty\right)$$$.
Jawaban
Akar real
$$$y = \sqrt{5}\approx 2.23606797749979$$$A
$$$y = - \sqrt{5}\approx -2.23606797749979$$$A
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