Question

Express 1.2bar in rational form

Answer 1

suppose that, X=1.222....

so,,,10x=1.222...×10

or,10x=12.222....

or, 10x=11+1.222...

or,,10x=11+x

or,10x-x=11

or,9x=11

or,,x=11/9

therefore, the rational form of 1.2bar is 11/9 Ans..

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