If A= int (0)^(1) prod(r-4) ^(2014)(r-x)...

If `A= int _(0)^(1) prod_(r-4) ^(2014)(r-x) dx and B =int _(0)^(1) prod _(r =0)^(2013) (r+x) dx, ` then:

`A=2B`

`2A=B`

`A+B=0`

`A=B`

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