CBSE Class 11-science Answered
please anwer this question sir
Asked by ramhari | 27 Apr, 2010, 02:33: PM
Expert Answer
4018
Explanation.
(
7x4 + 13/4x3 + x2 + 2x - 1 )2009
( 2x + B )2009 where B = 
7x4 + 13/4x3 + x2 - 1
= B2009 + 2009B2008(2x) + ................
Now, the term,
2009B2008(2x) will give (-1)2008 = 1 for the -1 in expression for B.
Hence the coefficient of x is,
2009x2 = 4018.
Regards,
Team,
TopperLearning.
Answered by | 27 Apr, 2010, 11:43: PM
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