16. If are in A.P., prove that a, b, c are in A.P.
Given: are in A.P.
Thus, a,b,c are in AP.
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
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