Published by:
CGP EDU Academic Team
Published on: August 12, 2026
With respect to rectangular cartesian system a vector is expressed as 
. After rotating the system through a certain angle about origin in the clockwise sense, vector 
becomes 
with respect to new system, then
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(c, d)
Magnitude of 
in both system remains same
⇒ 25x 2 + 9 = 16x 2 + 25 ⇒ x = ± 4/3
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