Asked by Simran
If Vector a = (2, 2k), Vector b = (4, -k), are perpendicular, solve for k
with solutions?
with solutions?
Answers
Answered by
Steve
well, you need <b>a</b>•<b>b</b> = 0, so
(2)(4)+(2k)(-k) = 0
. . .
(2)(4)+(2k)(-k) = 0
. . .
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