please give the answer in details.
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a=5
d=3
tn= a+(n-1)d
50= 5+ 3n-3
50= 3n+2
3n=48
n= 16
sn=16/2(55)
=8x55
=440
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d=3
tn= a+(n-1)d
50= 5+ 3n-3
50= 3n+2
3n=48
n= 16
sn=16/2(55)
=8x55
=440
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qwerty898137:
sn=n/2(a+l)
please show sum of n terms
oh thanks a lot
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Hope it will help you.
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can you please show me the sum of the n terms
i showed its 440
sn=n/2(2a+(n-1)d. 16/2(2*5+(16-1)*3) 8(10+15*3) 8(10+45) , 8*55. =440
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