Question
Question: The T<sub>p</sub> = q and T<sub>q</sub> = p for an A.P. then T<sub>r</sub>=...
The Tp = q and Tq = p for an A.P. then Tr=
A
p + q + r
B
p + q – r
C
p – q + r
D
None of these
Answer
p + q – r
Explanation
Solution
Tp = a + (p –1) d = q
Tq = a + (q –1) d = p
by solving a = p + q –1, d = –1