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IIT JEE 2006 Paper : MATHEMATICS Section II - Multiple Answers


Each question has one or more than one correct choice among (a), (b), (c) and (d). Write down all the correct choices in alphabetical order without any spaces in between.
For example, if the correct choices are (a), (b) and (d) then simply write in the input box provided:
abd
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A vector a is parallel to the line of intersection of the planes P1 and P2, where P1 is parallel to 2j + 3k  and  4j − 3k  while  P2 is parallel to jk  and  i + j. Then the angle between the vector a and another vector b = (2i + j − 2k) is

(a)π/6
(b)π/4
(c)π/2
(d)3π/4

 



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