Mathematics · Properties of Triangles
In ΔABC, if the angles A, B, and C are in arithmetic progression, then the value of √(a2 − ac + c2) ⋅ cos(A − C2) is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a − c
- 2a + c − b2
- 3a + c2✓
- 4a + c
Correct answer
a + c2
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