Category III (2 marks, 1 or more than 1 correct answer)
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Congratulations - you have completed WBJEE - Mathematics (Category - 3) Model Test.
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Question 1
If lim x→a (x 7 + a 7⁄x + a) , then the value of a is
A
1
B
7
C
-1
D
-7
Question 2
If (1 + x)n = C0 + C1x + C2x2 + ................. + Cnxn , where n is a positive integer, then