the 4th and 8th term is 1 and 2 find the 10th term
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according to question its 4th term is 1 i.e a+3d=1...................{1}
its 8th term is 2 i.e a+7d=2....................{2}
a+3d=1
a+7d=2
solving {1} and{2}-
from {1}
a=1-3d.......................{3}
puttin the value of {3} in {2}-
1-3d+7d=2
1+4d=2
4d=1
d=1/4
putting te value in {3} we get,
you also get a=1/4
for 10th term- a+9d
1/4+9×1/4
10/4=5/2 ans
its 8th term is 2 i.e a+7d=2....................{2}
a+3d=1
a+7d=2
solving {1} and{2}-
from {1}
a=1-3d.......................{3}
puttin the value of {3} in {2}-
1-3d+7d=2
1+4d=2
4d=1
d=1/4
putting te value in {3} we get,
you also get a=1/4
for 10th term- a+9d
1/4+9×1/4
10/4=5/2 ans
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