Math miscellaneousEasy
Question
Given 
, where 
. Then (λ + μ + v) is equal to -
, where . Then (λ + μ + v) is equal to -Options
A.
B.
C.
D.
Solution
Given, 
Take dot with
, successively
&
∴ λ + μ + v =
Take dot with
, successively&
∴ λ + μ + v =
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