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how to solve logarithm equation
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MANANJAYA NAYAK
le 11 Oct 2022
Réponse apportée : David Hill
le 11 Oct 2022
i want to solve an logarithm equation and find the value of x
log10(x^4)-log10(x^3) == log10(5*x) -log10(2*x)
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David Hill
le 11 Oct 2022
f=@(x)log10(x.^4)-log10(x.^3)-log10(5*x) +log10(2*x);
fzero(f,2)
x=.1:.1:10;
plot(x,f(x));
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David Hill
le 11 Oct 2022
if you plot, it never crosses zero.
f=@(x)log10(4*x)-log10(3*x) -log10(5*x) +log10(2*x)
fzero(f,1)
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