uestion 9: The remainder when the number (2 × 3 × 4 × 2007 × 2008 × 2009) – 2008 is divided by 2009
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Step-by-step explanation:
First determine the REMAINDER of (2×3×4×2007×2008 ×2009)=REM (mod 2009)
Since the Product (2×3×4 •••) contains 2009 as a multiple, therefore intuitively, the REMAINDER is zero.
Now the question reduces to
2008 (mod 2009)=REM?
REM = -1 (mod 2009 )
Therefore the REMAINDER is 1
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