Let {a}=2 {{i}}^{\^}-{{j}}^{\^}+2 {{k}}^{\^} and {b}={{i}}^{\^}+2 {{j}}^{\^}-{{k}}^{\^}. Let a vector v be in the plane containing a and b. If v is perpendicular to the vector 3 {{i}}^{\^}+2 {{j}}^{\^}-{{k}}^{\^} and its projection on a is 19 units, then |2 {v}|^{2} is equal to [1 Sep 2021 Shift 2]

Vector Algebra Part 2

Section: Mathematics

Question : 64 of 100

Marks: +1, -0

Let a=2

−

and b=

−

. Let a vector v be in the plane containing a and b. If v is perpendicular to the vector 3

−

and its projection on a is 19 units, then |2v|2 is equal to

[1 Sep 2021 Shift 2]

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