Question:medium
Find the square root of $4a^2 + 9b^2 + c^2 + 12ab - 6bc - 4ac$.
Find the square root of $4a^2 + 9b^2 + c^2 + 12ab - 6bc - 4ac$.
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To identify perfect squares:
- Compare with $(x+y+z)^2$
- Check signs carefully for cross terms
Updated On: Apr 1, 2026
- \(2a + b - 3c \)
- \(2a - 3b - c \)
- \(2a - 3b + c \)
- \(2a + 3b - c \)
- \(2a + b - 2c \)
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The Correct Option is D
Solution and Explanation
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