Datrys 13!/4!(13-4)!211^4(1-211)^(13-4)

$$\frac { 13 ! } { 4 ! ( 13 - 4 ) ! } 211 ^ { 4 } ( 1 - 211 ) ^ { ( 13 - 4 ) }$$

Enrhifo

$$-1125665914177508762073015000000000$$

Camau Ateb

Ffactorial 13 yw 6227020800.

$$\frac{6227020800}{4!\left(13-4\right)!}\times 211^{4}\left(1-211\right)^{13-4}$$

Ffactorial 4 yw 24.

$$\frac{6227020800}{24\left(13-4\right)!}\times 211^{4}\left(1-211\right)^{13-4}$$

Tynnu 4 o 13 i gael 9.

$$\frac{6227020800}{24\times 9!}\times 211^{4}\left(1-211\right)^{13-4}$$

Ffactorial 9 yw 362880.

$$\frac{6227020800}{24\times 362880}\times 211^{4}\left(1-211\right)^{13-4}$$

Lluosi 24 a 362880 i gael 8709120.

$$\frac{6227020800}{8709120}\times 211^{4}\left(1-211\right)^{13-4}$$

Rhannu 6227020800 â 8709120 i gael 715.

$$715\times 211^{4}\left(1-211\right)^{13-4}$$

Cyfrifo 211 i bŵer 4 a chael 1982119441.

$$715\times 1982119441\left(1-211\right)^{13-4}$$

Lluosi 715 a 1982119441 i gael 1417215400315.

$$1417215400315\left(1-211\right)^{13-4}$$

Tynnu 211 o 1 i gael -210.

$$1417215400315\left(-210\right)^{13-4}$$

Tynnu 4 o 13 i gael 9.

$$1417215400315\left(-210\right)^{9}$$

Cyfrifo -210 i bŵer 9 a chael -794280046581000000000.

$$1417215400315\left(-794280046581000000000\right)$$

Lluosi 1417215400315 a -794280046581000000000 i gael -1125665914177508762073015000000000.

$$-1125665914177508762073015000000000$$

Ffactor

$$-1125665914177508762073015000000000$$