find the 27th term of the following A. P. 9, 4, -1, -6, -11,....
Answers
Answered by
83
A27=a+26d
=9+26×-5
=9-130
=-121
=9+26×-5
=9-130
=-121
Answered by
113
a=9 n= 27
d=4-9
= -5
Putting the values in below formula
a27 = a + (n-1)d
a27 = 9 +(27-1) ×-5
= 9 + (-130)
= 9 - 130
= - 121
d=4-9
= -5
Putting the values in below formula
a27 = a + (n-1)d
a27 = 9 +(27-1) ×-5
= 9 + (-130)
= 9 - 130
= - 121
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-121
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