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41.For any three positive real numbers a,b and c, 9(25a2+b)+25(c2-3ac)-15b(3a+c). Then:Jee Main 201(A) a,b and c are in A.P(C) b,c and a are in G.P(B) a,b and c are in G.P(D) b,c and a are in A.P

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