Question

.9999999......(up to infinity)=1. prove line by line​

Answer 1

Answer:

1

Step-by-step explanation:

0.9999999.....=0.9bar

equate it to x

hence,

x=0.9 bar _ 1

10x=9.9 bar_2

on subtracting 1 from 2 we get,

9x=9

x=1

thank you