Question

Calcular «x» en: xCos60° +Tg 45° =Csc53° xCos60°-Tg 45°​

Answer 1

1. \frac{a^{7}-b^{7} }{a-b}

a−b

a

7

−b

7

2. \frac{x^{8}-1}{x-1}

x−1

x

8

−1

3. \frac{x^{4}-16}{x-2}

x−2

x

4

−16