Roots in A.P

Algebra Level 3

If pp and qq are the roots of x22x+A=0{ x }^{ 2 }-2x+A=0 and

rr and ss are the roots of x218x+B=0{ x }^{ 2 }-18x+B=0 such that p<q<r<sp<q<r<s and p,q,r,sp,q,r,s are in A.P, find (A+B)\left( A+B \right)

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