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Vector Algebra Part 2

Section: Mathematics
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Question : 95 of 100
 
Marks: +1, -0
Let a vector
→
a
, has magnitude 9. Let a vector
→
b
 be such that for every (x,y)∈R×R−{(0,0)}, the vector (x
→
a
+y
→
b
) is perpendicular to the vector (6y
→
a
−18x
→
b
). Then the value of |
→
a
×
→
b
| is equal to:
[28-Jul-2022-Shift-1]
Validate
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