Notasi sigma dari bentuk x−x3+x5−x7+x9−x11 x-x^3+x^5-x^7+x^9-x^{11}\ x−x3+x5−x7+x9−x11 adalah ....
∑n=16(−1)n+1x2n−1\sum_{n=1}^6\left(-1\right)^{n+1}x^{2n-1}∑n=16(−1)n+1x2n−1
∑n=16(−1)n+1xn−1\sum_{n=1}^6\left(-1\right)^{n+1}x^{n-1}∑n=16(−1)n+1xn−1
∑n=16(−1)n+1x2n−2\sum_{n=1}^6\left(-1\right)^{n+1}x^{2n-2}∑n=16(−1)n+1x2n−2
∑n=16(−1)n+2x2n−1\sum_{n=1}^6\left(-1\right)^{n+2}x^{2n-1}∑n=16(−1)n+2x2n−1
∑n=16(−1)2n+1x2n−1\sum_{n=1}^6\left(-1\right)^{2n+1}x^{2n-1}∑n=16(−1)2n+1x2n−1