Evaluate-10-12-14-16-18-20-into-factorial-form-

Question Number 5989 by sanusihammed last updated on 08/Jun/16

E v a l u a t e 10 \times 12 \times 14 \times 16 \times 18 \times 20 i n t o f a c t o r i a l f o r m

Answered by prakash jain last updated on 08/Jun/16

10 \times 12 \times 14 \times 16 \times 18 \times 20

= 2 (5 \times 6 \times 7 \times 8 \times 9 \times 10) = \frac{2! 10!}{4!}

Commented by prakash jain last updated on 09/Jun/16

Thanks for the correction .

Commented by Rasheed Soomro last updated on 09/Jun/16

I t h i n k

10 \times 12 \times 14 \times 16 \times 18 \times 20

= 2^{6} \times (5.6.7.8.9.10) = \frac{2^{6} \times 10!}{4!}

= \frac{{(2!)}^{6} \times 10!}{4!} = \frac{{(2!)}^{3!} \times 10!}{4!}