Question

𝘆𝗮𝗸𝗮

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Exercise A
316* 次の方程式・不等式を解け。
(1) 16*+¹-2x4x+3-4*+8=0
(2) 3-32-x = 8
2x 4
(3) ) ( ² ) * * - - -/-/-( ²² ) * + 11/12 > 0
3 3
(4) loga (2x + 3) + log₂√4x + 1 = 2log₁5¹ as
(5) (log2 x)2-log28x² = 0
gol 010E
(6) 2logo.1 (x-1) < logo.1 (7-x)
2
(7) (log x) +log 3x² > 2
3

316 (1) x = -2,
(3) x<0, 1<x
(5) x = 8,
3/2x
1-21-3
(2) x = 2
(4)
x = 1
(6)
28 (7) 0<x<3, 27 < x
5
3 < x < 7