Comparati numerele x si y x = [( 2 la a 2* 2 la a 3 ) la 60]la a 2
si y [( 4 la a 3) la 18 + ( 2 la a 3 )la 36 + (16 la a 9) la a 3]: [( 4 la a 3)la a 8]la a 10

1
* ESTE LA PUTERE SAU INMULTIRE
la putere

Răspunsuri

2014-10-09T00:06:28+03:00
X=(2^2+3)^60·2=(2^5)^120=2^5·120=2^600
Y=[(2^3·2)^18+2^3·36+(2^4·9)^3]:(2^2·3)^8·10=
  =[2^6·18+2^108+2^36·3]:2^6·80=[2^108+2^108+2^108):2^480=
  =2^108(1+1+1):2^480=3·2^108-480=3·2^-372=3/2^372
DECI X>Y

asa mi.a dat si mie dar in carte la raspuns zice 3 la a 10* 2 la 600
unde y>x