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Question Number 144553 by mathdanisur last updated on 26/Jun/21
Solvefornaturalnumbers:14z+24z+1+34z+2+...+104z+9=3025
Answered by Olaf_Thorendsen last updated on 26/Jun/21
S(z)=∑9n=0(n+1)4z+nS(1)=∑9n=0(n+1)4n+1=∑9n=0(n+1)3=∑10n=1n3S(1)=n2(n+1)24∣n=10=100×1214=3025⇒1isasolution.ifz⩾2,S(z)⩽S(1)=3025:nosolution
Commented by mathdanisur last updated on 26/Jun/21
coolthankyouSir
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