Plz anyone help me by solving these two sums.
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5th term: a+4d
11th term:a+10d
adding both
a+4d=41
a+10d=20
_ _. _
----------
-6d=21
d=-7/3
a+4d=41
a-7/3=41
a=41+7/3
a=130/3
11th term:a+10d
adding both
a+4d=41
a+10d=20
_ _. _
----------
-6d=21
d=-7/3
a+4d=41
a-7/3=41
a=41+7/3
a=130/3
aashalohchab:
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