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Solutia reala a ecuatiei 4x la puterea a doua =6 intregii si 1 supra 4

Răspuns :

4x²= 25/4
x² = 25/16
x =√25/16
x = 5/4, x = -5/4
Deva
4x²=6   1/4
4x²=(6x4+1)/4
4x²=25/4
x²=25/4:4=25/4x1/4=25/16
x=√25/16
x=5/4,x=-5/4