Asked by siphesihle
determind the arithmetic sequence if fourth term is6 and the eleventh term is _34?
Answers
Answered by
Reiny
For your AP
term4 = a+3d = 6 **
term11=a+10d = 34 ***
subtract them
7d = 28
d = 4
sub in **
a+12 = 6
a = -6
the AP is -6, -2, 2, 6, 10, ...
term4 = a+3d = 6 **
term11=a+10d = 34 ***
subtract them
7d = 28
d = 4
sub in **
a+12 = 6
a = -6
the AP is -6, -2, 2, 6, 10, ...
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