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CBSE Class 11-science Answered

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Asked by Kchawla94 | 03 Apr, 2019, 03:36: PM
answered-by-expert Expert Answer
Let L e t space x space a n d space y space b e space t h e space t w o space d i g i t s T h e space t w o space d i g i t space n u m b e r space f o r m e d space b y space x space a n d space y space i s space x y space a n d space w h i c h space c a n space b e space r e w r i t t e n space a s x y equals 10 x plus y T h e space n u m b e r s space f o m e d space a f t e r space r e v e r sin g space t h e space d i g i t s space i s space y x space a n d space w h i c h space c a n space b e space r e w r i t t e n space a s y x equals 10 y plus x T h e space d i f e r e n c e space b e t w e e n space t h e space n u m b e r s space i s vertical line 10 x plus y minus left parenthesis 10 y plus x right parenthesis vertical line equals vertical line 9 x minus 9 x vertical line equals 9 vertical line x minus y vertical line T h u s comma space 18 space c a n space b e space t h e space d i f f e r e n c e space b e t w e e n space t h e space t w o space n u m b e r s.
Answered by Renu Varma | 04 Apr, 2019, 08:59: AM

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