Answer:
here is your answer....
(1001)^3
(1000+1)^3
1000^3+3*1000^2*1+3*1000*1^2+1^3
1000000000+3*1000000+3*1000+1
1000000000+3000000+3000+1
ans: 1003003001 ..
I hope this will help you...
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