Mathematics · Algebra
Write the expanded form of (9a + 4b + 5c)2.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 181a2 + 16b2 + 25c2 + 72ab + 35bc + 90ac
- 281a2 + 16b2 + 25c2 + 72ab + 40bc + 90ac✓
- 381a2 + 16b2 + 25c2 + 72ab + 40bc + 100ac
- 481a2 + 16b2 + 25c2 + 76ab + 40bc + 90ac
Correct answer
81a2 + 16b2 + 25c2 + 72ab + 40bc + 90ac
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