CBSE Class 10 Answered
A.P
Asked by deepitapai | 09 Mar, 2009, 12:42: PM
Expert Answer
pth term of AP = q
a+ (p-1)d = q ....(1)
qth term of AP = p
a + (q-1)d = p ....(2)
Solving (1) and (2), we get
d = -1 and a = q+p-1
rth term of the AP = a+(r-1)d = q+p-1 + (r-1)(-1) = p+q-r
Answered by | 09 Mar, 2009, 12:50: PM
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