Question

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Answer 1

3)0.6,1.7,2.8 to 100 terms

we have to find sn in this

a=0.6

n=100

d= 1.7-0.6=1.1

sn=n/2(2a+(n-1)d)

=100/2(2×0.6+99×1.1)

50(1.2+99.2)

50(100.4)

50×100.4

5020