Find the factorials of `6xx20xx8xx42`

Find the factorials of 10xx12xx6

Find the factorials of 15xx8xx6

Find the factorials of 3xx8xx5

Find the factorials of 6xx7xx8xx9xx5

Write in terms of factorials: 6xx8xx7xx9

Write in terms of factorials: 5xx10xx15xx20

Write in terms of factorials: 6xx7xx12xx10

Write in terms of factorials: 3xx6xx9xx12xx15

Find the value of .^(20)C_(0) xx .^(13)C_(10) - .^(20)C_(1) xx .^(12)C_(9) + .^(20)C_(2) xx .^(11)C_(8) - "……" + .^(20)C_(10) .

Let's Find the value of (-6) xx (-2) starting from (-6) xx 4