1) 2√x-1 < 1 2) (x^2)^x = x^4x-x^2 To long dibantuu ya
Matematika
Keyz333
Pertanyaan
1) 2√x-1 < 1
2) (x^2)^x = x^4x-x^2
To long dibantuu ya
2) (x^2)^x = x^4x-x^2
To long dibantuu ya
1 Jawaban
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1. Jawaban eripane05
1.
2√x-1 < 1
(√x-1 < 1/2)²
x-1 < 1/4
x < 1 + 1/4
x < 5/4
x _> 0
Hp ={ 0<_ x < 5/4}
2.
(x^2)^x = x^4x-x^2
x^2x = x^4x-x²
2x = 4x - x²
x² - 2x = 0
x(x-2) = 0
x = 0 V x = 2