Question

Por favor, ajudem-me​

Answer 1

a) x=3⁴ = 81

b) x=(1/2)-² = (2/1)² = 4

c) x¹=2 => x=2

d) x-¹=0,25 => 1/x= 1/4 = x=4

e) x°= 1 => 1=1 (v)

f) (2x-1)=3² => (2x-1)=9 => 2x=10=> x=5