Plz could anyone solve this question immediately fast
Plz could anyone solve this question immediately fast
Naresh , 6 Years ago
Grade 12th pass
Trigonometry> Plz could anyone solve this question imme...
1 Answers
Arun
Last Activity: 6 Years ago
Dear Naresh
AB vector = i + (2 – a) j
now as magnitude of AB vector = 1
|AB| = sqrt (1 + 4 + a^2 – 4a) = 1
hence on solving
a = 2
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