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If a,b,c,d are such unequal real numbers that `(a^(2)+b^(2)+c^(2))p^(2)-2 (ab+bc+cd) p+ (b^(2)+c^(2)+d^(2)) le 0` then a,b,c, d are in -A. A.PB. G.PC. H.P.D. none of these |
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Answer» Correct Answer - B `(ap-b)^(2)+(bp-c)^(2)+(cp-d)^(2)leo` `rArr =p=(b)/(a)=(c)/(b)=(d)/(c)` `rArr` a,b,c,d are in G.P. |
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