CBSE Class 10 Answered
doubt
Asked by akhileshnarayanan | 20 Feb, 2010, 09:44: PM
Expert Answer
a7 = a0 + 6d
a11 = a0 + 10d
a7 = 11a11
a0 + 6d = 11(a0 + 10d)
10a0 + 104d = 0
a18 = a0 + 17d
10a18 = 10a0 + 170d
= 10a0 + 104d + 66d
= 0 + 66d
= 66d
0
Such an AP can't exists. Please verify the query description if it's what you meant.
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Answered by | 21 Feb, 2010, 05:32: AM
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