Question

calcule o valor de x a) 2²x=1024 b) 2x²-10=6

Answer 1

Oi 

a)

2²x = 1024

4x = 1024

x = 1024/4 = 256 

b)

2x² - 10 = 6

2x² = 16

x² = 8 

x1 = -2√2, x2 = 2√2

.