ПОЖАЛУЙСТА ПОМОГИТЕ СРОЧНО КАК СМОЖЕТЕ ,пожалуйста срочно нааааадо помогитеееее((5) log1/8 /(x-4) = -16) log2.5 |(x+2) = 17) lg x = -28|) ln x = 19) log2 (x^2 — 2x) = 310) log1/5 (4x+x^2) = -111) log0.5 (x^3+1) = -112) lg(7x-x^2) = 113) log3.2 (2-x) = log3.2 (3x+6)14) log0.8 (1+2x) = log0.8 (4x-10)15|) log2 (x-6) + log2 (x-8) = 3
16) log8 (x-2) — log8 (x-3) = 1/3
- 5) log₁/₈ (x-4) = -1x-4 = (1/8)⁻¹x-4 = 8x = 12Ответ: 126) log₂.₅ (x+2) = 1x+2 = 2.5x = 0.5Ответ: 0,57) lg x = -2x = 10⁻²x = 1/100 = 0.01Ответ: 0,018) ln x = 1x = e¹ = eОтвет: е9) log₂ (x² — 2x) = 3ОДЗ: x² — 2x>0x² — 2x = 2³x² — 2x — 8 =0D₁ = 1+8 = 9x₁ = 4x₂ = -2Ответ: 4; -210) log₁/₅ (4x +x²) = -1ОДЗ: 4x+x² >04x+x² = (1/5)⁻¹4x + x² = 5x² + 4x — 5 =0x₁ = 1x₂ = -5Ответ: 1; -511) log₀.₅ (x³ + 1) = -1x³ + 1 = (0.5) ⁻¹x³ + 1 = 2x³ = 1x = 1Ответ: 112) lg (7x-x²) = 1ОДЗ: 7x — x² > 07x — x² = 10-x² + 7x — 10 = 0x² — 7x + 10 = 0D = 49 — 40 = 9x₁ = 5x₂ = 2Ответ: 5;213) log₃.₂ (2-x) = log₃.₂ (3x+6)ОДЗ: 2-x>0 3x+6>02-x = 3x+ 6 -4x = 4x = -1Ответ: -114) log₀.₈ (1+2x) = log₀.₈ (4x-10)1+2x = 4x — 10-2x = -11x = 5.5Ответ: 5,515) log₂ (x-6) + log₂ (x-8) = 3ОДЗ: x-6>0 x-8>0log₂ ((x-6)(x-8)) = log₂8(x-6)(x-8) = 8x² — 8x — 6x + 48 = 8x² — 14x + 40 = 0D₁ = 49 — 40 = 9x₁ = 10x₂ = 4 не удов. ОДЗОтвет: 1016) log₈ (x-2) — log₈ (x-3) = 1/3ОДЗ: x-2>0 x-3>0
log₈ ( = log₈2
x — 2 = 2x — 6-x = -4x = 4
Ответ: 4