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SR. TEACHER (SEC. EDU.) COMP. EXAM 2025 2026 question with answer

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Question 10

Q10.दिया है a⃗ = 3î + 2ĵ + 2k̂ और b⃗ = î + 2ĵ − 2k̂, एक सदिश c⃗ जिसका परिमाण 12 है, (a⃗ + b⃗) और (a⃗ − b⃗) दोनों के लम्बवत है। सदिश c⃗ बराबर है —