Решите уравнение 4х2–9=0.

Question

Решите уравнение 4х2–9=0.

Comments

4xво 2

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4х2–9=0.

Answer 1

4x^2 - 9 = 0 
4x^2 = 9
x^2 = 9/4
x = ± √(9/4)
x = ± 3/2 

Comments

ответ 3,2?