25. If a, b, c and d are in G.P. show that
If a, b, c and d are in G.P.
To prove :
RHS :
Using equation (1) and (2),
= LHS
Hence proved
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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