Question

d
22019 +22020 +22021
X
Rezolvare:
32404
0,5
x = 0;
VA ROG URGENT!

Answer 1

Răspuns:

Explicație pas cu pas:

2^2019 + 2^2020 + 2^2021 = 2^2019*(1 + 2 + 2^2) = 7*2^2019

32^404 = (2^5)^404 = 2^2020

0,5 = 5/10 = 1/2

32^404/0,5 = 2^2020/(1/2) = 2*2^2020 = 2^2021

7*2^2019/x = 2^2021

x = 7*2^2019/2^2021 = 7/2^2 = 7/4