Log base10 (x + 2) + log base10 (x - 2) = log base10 3 + 3 log base10

1.	Log base10 (x + 2) + log base10 (x - 2) = log base10 3 + 3 log base10 4
Answer» Answer: 14 Step-by-step EXPLANATION: Log₁₀(x+2)+log10₁₀-2) = log₁₀3+3log104 ⇒{х+2>0 , {х-2>0 ⇒ х>2 LOG10(x+2)(х-2) = log103+log104³ Log10(x²-4)= log10(34³) x^2-4=192 x^2=196 х=14 или х=-14 –не походит -14<2 Ответ 14

Log base10 (x + 2) + log base10 (x - 2) = log base10 3 + 3 log base10 4

Answer»

Answer:

Step-by-step EXPLANATION:

Log₁₀(x+2)+log10₁₀-2) = log₁₀3+3log104

⇒{х+2>0 , {х-2>0 ⇒ х>2

LOG10(x+2)*(х-2) = log103+log104³

Log10(x²-4)= log10(3*4³)

x^2-4=192

x^2=196

х=14 или х=-14 –не походит -14<2

Ответ 14

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Log base10 (x + 2) + log base10 (x - 2) = log base10 3 + 3 log base10 4​

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Log base10 (x + 2) + log base10 (x - 2) = log base10 3 + 3 log base10 4