A vector perpendicular to the vector(i^ +2j^) and having magnitude 3√5 units is
A vector perpendicular to the vector(i^ +2j^) and having magnitude 3√5 units is
Dishant Patel , 6 Years ago
Grade 11
Vectors> A vector perpendicular to the vector(i^ +...
1 AnswersArun
Last Activity: 6 Years ago
Dear student
let the perpendicular vector = ai + bj
now
(ai + bj) . (i + 2j) = 0
a + 2b = 0
and
a^2 + b^2 = 45
solve these two equations to fid a and b
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