If a>c; show that abc−cba=99(a−c)
Given, a>cTo show : abc-cba=99(a-c)Proof : abc=100a+10b+c ...(i)By using property 3cba=100c+10b+a ...(ii)By using property 3Subtracting, equation (ii) from (i), we getabc−cba=100a+c−100c−aabc−cba=99a−99c∴ abc−cba=99(a−c)Hence proved.