If alpha,beta are the roots of x^2+p x+q...

If `alpha,beta` are the roots of `x^2+p x+q=0a n dgamma,delta` are the roots of `x^2+p x+r=0,` then `((alpha-gamma)(alpha-delta))/((beta-gamma)(beta-delta))=` `1` b. `q` c. `r` d. `q+r`

a,b

b,c

c,a

a,b,c

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