x2y22F3x + y2k + 1x + y2k + 1ab/2a0 +1a1 +1a2 +1a3 +1a4a0 +1a1 +1a2 +1a3 +1a4nk/2p2x2pp − 2 −11 − x11 − x2∑0 ≤ i ≤ m0 < j < nP(i , j)x2yp∑i = 1q∑j = 1r∑k = 1aijbjkcki1 + 1 + 1 + 1 + 1 + 1 + 1 + x∂2∂x2 +∂2∂y2|φ(x + iy)|2 = 0222xt∫1dtt∬Ddxdyf(x) =1/3if 0 ≤ x ≤ 12/3if 3 ≤ x ≤ 40elsewherek timesx + ⋯ + xyx2∑p primef(p) =∫t > 1f(t)dπ(t){k a'sa, … , a ,l b'sb, … , bk + l elements} a | b | c | d | | e | f | g | h | |
0 | i | j | k | l | |
detc0 | c1 | c2 | ⋯ | cn |
c1 | c2 | c3 | ⋯ | cn + 1 |
c2 | c3 | c4 | ⋯ | cn + 2 |
⋮ | ⋮ | ⋮ | ∷ | ⋮ |
cn | cn + 1 | cn + 2 | ⋯ | c2n |
> 0yx2x3141592 + πxzdcyaby‴3