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" 1."[" If "|[p,q-y,r-2],[p-x,q,r-2],[p-...

" 1."[" If "|[p,q-y,r-2],[p-x,q,r-2],[p-x,q-y,gamma]|=0" then the value of "(p)/(x)+(q)/(y)+(r)/(3)is],[," c) "2]

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