Ushtrimi 8

Zgjidhni ekuacionet duke ndjekur shembullin.

Shembull: $$4^{x+2} = \frac{1}{16}$$ $$4^{x+2} = \frac{1}{4^2}$$ $$4^{x+2} = 4^{-2}$$ $$x + 2 = -2$$ $$x = -4$$

a) $2^x = 4$

b) $3^x = 1$

c) $3^{x+1} = 9$

d) $2^3 \times 2^x = 2^5$

e) $5^x = \frac{1}{25}$

f) $4^{2x-1} = \frac{1}{4}$