Question

compară numere naturale: x=2¹⁹⁹⁸+2¹⁹⁹⁹+2²⁰⁰⁰ y=2²⁰¹³-2²⁰⁰²+2²⁰⁰¹-2²⁰⁰⁰
x ? y​

Answer 1

Răspuns:

x=2^1998x(1+2+2^2)=2^1998x9

y=2^1998x(2^5-2^4+2^3-2^2)=2^1998x(32-16+8-4)=2^1998x(16+8-4)=2^1998x20

x<y