Question

36^x - 4 • 6^x - 12 = 0

Answer 1

$36^{x}-4* 6^{x}-12 = 0$
$6^{2x}-4* 6^{x}-12 = 0$
$6^{x}= a$; a>0
a² - 4a - 12 = 0
D₁ = 4 + 12 = 16
a₁ = (2+4) / 1 = 6
a₂ = (2 - 4) / 1 = -2 не удов. усл. a>0
$6^{x} = 6$
x = 1
Ответ: 1

Answer 2

я первей