VectorHard
Question
Two vectors 
= 3î + 2ĵ + 
and 
= 5î − 9ĵ + P
are perpendicular to each other. The value of ′P′ is :-
= 3î + 2ĵ + and = 5î − 9ĵ + Pare perpendicular to each other. The value of ′P′ is :-Options
A.3
B.−3
C.−2
D.2
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