Question

Obtenha o valor de x dá expressão raiz quadrada Cm x dentro =0,777...+0.0111 sobre 4

Answer 1

x=0,777...+0,0111/4

0,777...=
x=0,777...
10x=7,777...
10x-x=7,777...-0,777...
9x=7
x=7/9

0,0111=111/10000

x=7/9+111/10000/4
x=7/9+111/1000.1/4
x=7/9+111/4000
x=4000.7/36000+9.111/36000
x=28000/36000+999/36000
x=28999/36000