Question

4 log 4 16 / 2 me ajudem pfv

Answer 1

Olá.

4 (log 4 16 / 2)

log4 16 = x
4^x = 16
x = 2

4(2) / 2 = 4

Bons estudos.

Answer 2

Olá Ana,


$\mathsf{4\cdot \ell og_4\Big(\dfrac{16}{2}\Big)\Rightarrow4\cdot\ell og_4(8)\Rightarrow 4\cdot \ell og_4(2^3)\Rightarrow 4\cdot 3\cdot\ell og_4(2)}\\\\=\\\\\mathsf{12\cdot \ell og_4(2)}\\\\\mathsf{\ell og_4(2)=x\Rightarrow4^x=2\Rightarrow (2^2)^x=2^1\Rightarrow 2x=1\Rightarrow\boxed{\mathsf{ x=\dfrac{1}{2}}}}\\\\=\\\\\boxed{\mathsf{12\cdot\dfrac{1}{2}=6}}$

Dúvidas? comente