Question

equações irracionais:
b)√2x-1=3 d)3√x=6

Answer 1

√2x-1 = 3
(√2x-1)² = 3²
2x-1 = 9
2x = 9+1
2x = 10
x = 10/2
x = 5
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3√x = 6
√x = 6/3
√x = 2
(√x)² = 2²
x = 4