if 6th and 8th term of an ap are 12 and 22 respectively then second term is?
Answers
Answered by
19
Answer:
according to question
a6 = 12 = a + 5d ....(1)
a8 = 22 = a + 7d ....(2)
subtract ...(1) from ....(2)
we get
2d = 10
d = 5
put this in any of the equation
we get
a = - 13
a2 = second term = a + d = -13 + 5 = -8
second term = -8
hope this will help you
Answered by
7
Step-by-step explanation:
a+5d=12
a+7d=22
- - -
-2d=-10
d=5
a= -13
2nd term= -13+5= -8
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