If 6 times of 6th term of an A.P is equal to 7 times the 7th term, then the 13th term of the A.P is
1) 0 2) 6 3) 7 4) 13
Answers
Answered by
22
Answer:
13th term is 0.
Step-by-step explanation:
6(a + 5d) = 7(a + 6d)
6a + 30d = 7a + 42d
a = - 12d
a + 12d = 0
it means, 13 th term of an AP is 0.
Answered by
5
Answer:
a13 = 0
Step-by-step explanation:
6(a6)=7(a7)
6( a + 5d) = 7( a+ 6d)
6a + 30d = 7a + 42d
a + 12d = 0
a13 = 0
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