if the third term of an ap is 1 and 6th term is -11find the sum of its first 32term
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sorry I can't do it.But next time I will help you
antarpreet78:
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a+2d=1
a+5d=-11
-3d=12
d=-4
a=9
S32=32/2(2(9)+31(-4))
=16(18-124)
=16(-106)
=-1696
a+5d=-11
-3d=12
d=-4
a=9
S32=32/2(2(9)+31(-4))
=16(18-124)
=16(-106)
=-1696
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