Grade 12th passZoology
In an A.P, the 'p'th term is q and the (p+q)th term is 0, then common difference is:A. -pB. qC. -1D. 0
In an A.P, the 'p'th term is q and the (p+q)th term is 0, then common difference is:
A. -p
B. q
C. -1
D. 0
1 Answer
Vikas TU
Dear student
Pth term = a+ (p-1)d = q
a+ (pd-q-d) =0...........1
(p+q )th term = 0 = a+ (p+q-1)d …..........2
Solving 1 and 2
-2qd=q
d = -1/2
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