If the pth term of an AP is q and the qth term is p, prove that its nth term is (p + q – n).
If the pth term of an AP is q and the qth term is p, prove that its nth term is (p + q – n).
Explanation
Thus, nth term = a+(n−1)
d=(p+q−1)+(n−1)×(−1)
d =(p+q−n)
ND-8-08-2023