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If 2/(1!9!)+2/(3!7!)+1/(5!5!)=2^m/(n!) ,...

If `2/(1!9!)+2/(3!7!)+1/(5!5!)=2^m/(n!)` , then orthocentre of the triangle having sides x-y+1=0,x+y+3=0 and 2x+5y-2=0 is

A

(2m-2n, m-n)

B

(2m-2n, n-m)

C

(2m-n, m+n)

D

(2m-n, m-n)

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The correct Answer is:
A
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