2 years ago

Simplify!! Extra points for explanation!! Just choose number 1 2 3 or 4 please!!

Mathematics

1 answer:

Tanzania [10]2 years ago

6 0

Answer:

$3 \: is \: correct \\ {(x + 2)}^{3} = {x}^{3} + 3 \times 2 \times {x}^{2} + 3 \times x \times {2}^{2} + {2}^{3}$

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Leya [2.2K]

Answer: C

<u>Step-by-step explanation:</u>

∑ 8( $\frac{7}{3}$ )⁽ⁿ⁻¹⁾ from n = 1 to n = 5

n = 1 → 8( $\frac{7}{3}$ )⁽¹⁻¹⁾

= 8 = $\frac{648}{81}$

n = 2 → 8( $\frac{7}{3}$ )⁽²⁻¹⁾

= $\frac{56}{3}$ = $\frac{1512}{81}$

n = 3 → 8( $\frac{7}{3}$ )⁽³⁻¹⁾

= $\frac{392}{9}$ = $\frac{3528}{81}$

n = 4 → 8( $\frac{7}{3}$ )⁽⁴⁻¹⁾

= $\frac{2744}{27}$ = $\frac{8232}{81}$

n = 5 → 8( $\frac{7}{3}$ )⁽⁵⁻¹⁾

= $\frac{19208}{81}$ = $\frac{19208}{81}$

Sum = $\frac{33128}{81}$

= 408.99

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2 years ago

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