solve que. no. 2
in detaliled answer
Attachments:
Answers
Answered by
4
(2p + 1), 13, (5p - 3) are in AP
therefore 13 - (2p + 1) = (5p - 3) - 13 = d
13 - 2p - 1 = 5p - 3 - 13
12 - 2p = 5p - 16
12 + 16 = 5p + 2p
28 = 7p
p = 4
verification:
2p + 1 = 2×4 + 1 = 9
5p - 3 = 5×4 - 3 = 17
13 - 9 = 17 - 13
4 = 4
therefore the value of p is 4.
therefore 13 - (2p + 1) = (5p - 3) - 13 = d
13 - 2p - 1 = 5p - 3 - 13
12 - 2p = 5p - 16
12 + 16 = 5p + 2p
28 = 7p
p = 4
verification:
2p + 1 = 2×4 + 1 = 9
5p - 3 = 5×4 - 3 = 17
13 - 9 = 17 - 13
4 = 4
therefore the value of p is 4.
Similar questions