arithmetic progression|| to find d by the formula ap-aq/p-q
arithmetic progression
common difference
CBSE class 10 maths
sslc maths
D=(𝒂_𝑝−𝒂_𝑞)/(𝑝−𝑞)
The 𝟔^𝒕𝒉term of an arithmetic progression is 16 and the 〖𝟏𝟒〗^𝒕𝒉 term is 32. Determine the 〖𝟏𝟓〗^𝒕𝒉 term of the AP.
1. If the common difference of an A.P. is 3, then 𝑎_20−𝑎_15 is
2. The value of 𝑎_30−𝑎_20 for the A.P. 2, 7, 12, 17, … is
3. What is the common difference of an A.P. in which 𝑎_21−𝑎_7 = 84?
4. If the common difference of an A.P. Is 3, then what is 𝑎_15−𝑎_9 ?
5. In an A.P., if the 6^𝑡ℎ and 13^𝑡ℎ terms are 35 and 70 respectively, write theAP