Question

4^x : 16^4 =32^2so sánh 3^1000 và 5^750

Answer 1

1). 4^x:16^4=32^2

=>2^2x:(2^4)^4=(2^5)^2

=>2^2x:2^16=2^10

=>2^2x=2^10.2^16

=>2^2x=2^26

=>2x=26

=>x=26:2=13

2)Ta có:

+)3^1000=(3^4)^250=81^250

+)5^750=(5^3)^250=125^250

Vì :81^250<125^250 nên 3^1000<5^750