1.

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

Answer»

(2m-2n,m-n)
(2m-2n,m-n)
(2m-n,m+n)
(2m-n,m-n)

ANSWER :A


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