Let A1, A2, A3, ..., An be narithmetic means between a and b, then A1 + A2 + A3 + ... + An = _____?
- n(a + b)/2
- n(a - b)/2
- n(a ÷ b)/2
- None of these
Explanation
In an arithmetic progression, the sum of n terms between a and b is given by: Sum = n(a+b)/2
This formula uses the first and last terms to find the total of evenly spaced values.
Related MCQs
سری لنکا کا دارالحکومت ہے
- Forty-eight minus x equals seven x
- Forty-eight plus x equals seven x
- Forty-eight minus seven x equals x
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2x² + 4 = 9x
- 2x² + 9 = 4x
- 2x² + 9 = 4x
- x² + 4 = 9x
اس سوال کو وضاحت کے ساتھ پڑھیں
