Trigonometry

log3(x^2)=2log3(4)-4log3(5)

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asked by Kali
  1. Trig ???

    log3(x^2)=2log3(4)-4log3(5)
    log3 x^2 = log34^2 - log35^4

    log3x^2 = log3(16/625)
    x^2 = 16/625
    x = ± 4/25

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    posted by Reiny

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