The sum of the 5th and the 7th terms of an AP is 52 and the 10th term is 46. Find the AP.
Answers
Answered by
6
Answer:
Step-by-step explanation:
a=1
d=5
therefore ap is
1, 6, 11, 16, 21, 26,.....
Answered by
22
a+4d+a+6d=52
2a+10d=52
Cancelling,
a+5d=26 eq.1
a+9d=46 eq.2
Solving
eq 2-1
5d=20
d=4
1 implies a+5*4=26
a+20=26
a=6
A.P is 6,10,14,18,....
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