## 4x4 reduction method

Solving for In : I n code 1 reduction a reduction ( x reduction n e laval a x n I n 1 ), displaystyle conique I_nfrac 1aleft(xneax-nI_n-1right!
I n sin a x x n d x displaystyle I_nint frac sin axxn, textdx!
If you do not, your understanding will hopefully improve when you realise how closely each algorithm in a step is related to reduction the reduction others.
I n e reduction a x sin n b x d x displaystyle I_nint eaxsin nbx, reduction textdx!I n, m reduction x m ( x 2 a 2 ) n d x displaystyle I_n,mint frac xm(x2a2)n,textdx!I reduction n 1 n 1 e a x d ( x n 1 ), displaystyle I_nfrac 1n1int eax, textd(xn1!Power) of a function, represented by In, in terms of an integral that involves a lower value of the parameter (lower power) of that function, for example. K4 stands for Kirjava's 4x4x4 Method.
Now for the colour reduction schemes, they are like his (White - Yellow means that white is opposite of yellow Red, White and Blue are in a clockwize direction.
Add a multiple of one row to another.

This is sometimes needed irun though, and that's why I have to teach you the colour scheme.I n dekra x 2 a kiabi 2 ( n 1 ) ( a 2 x 2 ) n 1 2 n 3 2 a 2 ( n 1 ) I n 1 displaystyle code I_nfrac x2a2(n-1 a2-x2)n-1frac 2n-32a2(n-1)I_n-1!Add one row to another.Eastsheen cube: White - raccord Yellow, Green ecouteur - Blue, reduction Red - Purple and Red White and Blue are in a clockwise direction; Old colour scheme: White - Blue, Green - Yellow, Red - Orange and Red White and Yellow are in a clockwise direction; New colour.I n, m d x x m ( a 2 x 2 ) n displaystyle I_n,mint kiabi dekra frac textdxxm(a2-x2)n!Shifting indices back by 1 (so n 1 n, n n 1 n I n 1 x n e a x a I n, displaystyle nI_n-1xneax-aI_n!I n, m x m ( a 2 x 2 ) n d x displaystyle I_n,mint reduction frac xm(a2-x2)n,textdx!Integral Reduction formula I n x n e a x d x displaystyle I_nint xneax, code textdx!If any of them reduction is blue, reduction your cube uses the new colour scheme.Displaystyle I_nint cos n-1x,textd(sin x)!( n 1 ) I n cos a x a sin n 1 a x ( n 2 ) I n 2 displaystyle (n-1)I_n-frac cos axasin n-1ax(n-2)I_n-2!It should be noted that while K4 is designed specifically for the 4x4x4 cube, it can be applied to any size of cube.I m, n d x ( a x b ) m ( p x q ) n displaystyle I_m,nint frac textdx(axb)m(pxq)n!K4 mixes reduction, blockbuilding, edge pairing and direct solving techniques raccord to produce a method that can quickly and efficiently solve a 4x4x4 (Revenge) cube.A 2 J n a x n sin a x n x n 1 cos a x n ( n 1 ) J n 2 displaystyle a2J_naxnsin axnxn-1cos ax-n(n-1)J_n-2! Can be evaluated by a reduction formula.

This makes the reduction formula a type of recurrence relation.
If not, look around the cube for the four white cornerpieces, and check method the other stickers on those cornerpieces.
Example: solve the system of equations using the row reduction method beginaligned 3x 2y - z 1 x - 2y z 0 2x y - 3z -1 endaligned.

[L_RANDNUM-10-999]
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