KEAM 2010 Math Paper

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Question : 5 of 120

Marks: +1, -0

If |

→

a

|=5,|

→

b

|=6 and

→

a

⋅

→

b

=−25, then |a×

→

b

| is equal to

25
6√11
11√5
11√6
5√11

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