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GATE | GATE CS 2021 | Set 2 | Question 47

For two n-dimensional real vectors P and Q, the operation s(P,Q) is defined as follows: Let L be a set of 10-dimensional non-zero real vectors such that for every pair of distinct vectors P,Q∈L, s(P,Q)=0. What is the maximum cardinality possible for the set L?

(A)

9

(B)

10

(C)

11

(D)

100

Answer

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