Class 12 Vector Algebra · Mcq Single Correct1 Marksvector_identities
Class 12 Maths · Vector Algebra · Mcq Single Correct #13
Given |a| = 10, |b| = 2 and a · b = 12, find |a × b|.
✅ Step-by-Step Solution
Final Answer: Option (D): 16
- The squared cross-product magnitude is 10²·2² − 12² = 256; take its nonnegative square root.
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