1) kalau bisa please jawab ya..... ∑_(k=1)^10▒k2 =

Mungkin maksudmu
[tex]\displaystyle \sum_{k=1}^{10}k^2=1^2+2^2+3^2+4^2+5^2+6^2+7^2+8^2+9^2+10^2 \\ \sum_{k=1}^{10}k^2=1+4+9+16+25+36+49+64+81+100 \\ \sum_{k=1}^{10}k^2=385[/tex]