E) + n, n Z.
12. Теңдеуді шешіңіз log8x = - және logх0,2 = -0,5. Шешімдерінің көбейтіндісін жазыңыз.
A) 5,25.
B) 6,25.
C) 25,25.
D) 0,8.
E) 4,2.
13. -3x2 + 6x + 9 > 0 теңсіздігінің ең үлкен бүтін шешімін табыңыз.
A) 1.
B) 0.
C) 2.
D) 4.
E) 3.
14. Теңдеуді шешіңіз: cos2x - sіn2x = .
A) + pn, n Î Z.
B) ± + pn, n Î Z.
C) ± + pn, n Î Z.
D) ± + 2pn, n Î Z.
E) ± + 2pn, n Î Z.
15. Теңдеуді шешіңіз: log2(3 - x) = 0.
A) x = 2,5.
B) x = 3,5.
C) x = 3.
D) x = 1.
E) x = 2.
16. Теңдеуді шешіңіз: ![](data:image/png;base64,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)
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