Mohon bantuannya besok terakhir di kumpul Notasi Sigma

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Mohon bantuannya besok terakhir di kumpul Notasi Sigma

Mohon bantuannya besok terakhir di kumpul Notasi Sigma

1.

boxed{ boxed{1 + 2 + 3 + 4 + ... + n = sumlimits^{n}_{k = 1} : k}}

2.

sumlimits^{6}_{n = 1} : (2n - 1) = ( : 2.(1) - 1 : ) + ( : 2.(2) - 1 : ) + ( : 2.(3) - 1 : ) + ( : 2.(4) - 1 : ) + ( : 2.(5) - 1 : ) + ( : 2.(6) - 1 : )

boxed{ boxed{ sumlimits^{6}_{n = 1} : (2n - 1) = 1 + 3 + 5 + 7 + 9 + 11}}

3.

sumlimits^{5}_{p = 1} : (p + 1) = (1 + 1) + (2 + 1) + (3 + 1) + (4 + 1) + (5 + 1)

boxed{ boxed{ sumlimits^{5}_{p = 1} : (p + 1) = 2 + 3 + 4 + 5 + 6}}

4.

sumlimits^{5}_{n = 1} : { left(frac{1}{2} right)}^{n} = { left(frac{1}{2} right)}^{1} + { left(frac{1}{2} right)}^{2} + { left(frac{1}{2} right)}^{3} + { left(frac{1}{2} right)}^{4} + { left(frac{1}{2} right)}^{5}

boxed{ boxed{ sumlimits^{5}_{n = 1} : { left(frac{1}{2} right)}^{n} = frac{1}{2} + frac{1}{4} + frac{1}{8} + frac{1}{16} + frac{1}{32}}}

5.

sumlimits^{4}_{n = 1} : 5n = 5.(1) + 5.(2) + 5.(3) + 5.(4)

boxed{ boxed{ sumlimits^{4}_{n = 1} : 5n = 5 + 10 + 15 + 20}}