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

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Question 7

Q7.यदि (a⃗ + b⃗) · (a⃗ − b⃗) = 12 और |a⃗| = 2|b⃗| हो, तो |a⃗| और |b⃗| के मान क्रमशः हैं :