CBSE Class 10 Answered
Pls answer.
Asked by | 04 May, 2009, 08:17: AM
Expert Answer
x =(2008)1004 + (2008)-1004 and y = (2008)1004 - (2008)-1004
(x2 - y2) = ( x + y) ( x - y ) = ((2008)1004 + (2008)-1004 + (2008)1004 - (2008)-1004 ) ((2008)1004 + (2008)-1004 - ((2008)1004 - (2008)-1004))
= ((2008)1004 + (2008)-1004 + (2008)1004 - (2008)-1004 ) ((2008)1004 + (2008)-1004
-(2008)1004 + (2008)-1004 )
= (2 X (2008)1004 ) (2 X (2008)-1004 )
= 4
Answered by | 04 May, 2009, 12:01: PM
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