1.
2.
3. Find four numbers in arithmetical progression, such that the sum of the first two is 1, and the sum of the last two is -19.
4. What number added to 2, 20, 9, 34, will make the results proportional?
5. Find the middle term of
6. Solve
1.
2.
3. Find four numbers in arithmetical progression, such that the sum of the first two is 1, and the sum of the last two is -19.
4. What number added to 2, 20, 9, 34, will make the results proportional?
5. Find the middle term of
6. Solve