Question

A) ( 6 x 5 - 4 x 7 )² - ½

B) 4⁰ + (½)³

C) 3/2 x ¼ - (½)³


Obs: isso é calcule as expressões numéricas,eu irei agradecer muito a qm me ajudar nessa
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Answer 1

Resposta:

A) $=16x^{14}-48x^{12}+36x^{10}-\frac{1}{2}$

B) $=\frac{9}{8}$

C) $=\frac{24}{4x-1}$

Explicação passo a passo:

A) $\left(6x^5-4x^7\right)^2-\frac{1}{2}$

$=36x^{10}-48x^{12}+16x^{14}-\frac{1}{2}$

$=16x^{14}-48x^{12}+36x^{10}-\frac{1}{2}$

B) $4^0+\left(\frac{1}{2}\right)^3$

$=1+\left(\frac{1}{2}\right)^3$

$=1+\frac{1}{2^3}$

$=1+\frac{1}{8}$

$=\frac{1\cdot \:8}{8}+\frac{1}{8}$

$=\frac{9}{8}$

C) $\frac{3}{2x\frac{1}{4}-\left(\frac{1}{2}\right)^3}$

$=\frac{3}{\frac{x}{2}-\frac{1}{2^3}}$

$=\frac{3}{\frac{x}{2}-\frac{1}{8}}$

$=\frac{3}{\frac{4x-1}{8}}$

$=\frac{3\cdot \:8}{x\cdot \:4-1}$

$=\frac{24}{4x-1}$