Let P be the sum of first n positive terms of an increasing arithmetic progression A. Let Q be the sum of first n positive terms of another increasing arithmetic progression B.
Let P : Q = (5n + 4) : (9n + 6)
If d is the common difference of A, and D is the common difference of B, then which one of the following is always correct?
Mathematics
2022
NDA Mathematics 2022
NDA 2022
Options
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