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Q57) If the circle x^2+y^2+2ax+cy+a=0 an...

Q57) If the circle `x^2+y^2+2ax+cy+a=0 and x^2+y^2-3ax+dy-1=0 `intersect at two distinct points Pand Q, then the line 5x+by-a=0 will pass through P and Q for A. No values of a B. Exactly one value of a C. Exactly two values of a D. Infinitely many value of a

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