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

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Question 61

Q61.मूल बिन्दु से गुजरने वाले उस गोले का समीकरण, जो गोले x² + y² + z² − x + 3y + 2z − 3 = 0 को (1, 1, −1) पर स्पर्श करता है, है —