Matrix Product AB Null (Jee Mains) | ExamDuo
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Formation, Types & Operations
Medium
Matrix Product AB Null
If A =
cos² α
cosα sinα
cosα sinα
sin² α
and B =
cos² β
cosβ sinβ
cosβ sinβ
sin² β
are two matrices such that the product AB is null matrix, then α - β is
SELECT ONE OPTION
A
0
B
multiple of π
C
an odd multiple of π/2
D
None of the above
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