the 12th term of An AP exceeds it's 5th term by 14,if the 7th term is 4 find the AP
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0
Answer:
sorry but I don't understand your question
Answered by
1
Answer:
the AP is -8 , -6, -4, -2, 0...
Step-by-step explanation:
a = first term
d = common difference
T12 = a + 11d
T5 = a + 4d
given,
T12 - T5 = 14
a + 11d -a - 4d = 14
7d = 14
d = 2
given,
T7 = 4
a + 6d = 4
a + 6(2) = 4
a = -8
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