24. (A) negative (B) equal to 2 (C)...
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24. (A) negative (B) equal to 2 (C) >2 (D) zero log2x + log4y + log4z = 2, logzy + loggz + loggx = 2 & log42 + log 16x + log169 = 2, then x = To tyl

JEE/Engineering Exams
Maths
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(1) ( log _{4} x^{2}+log _{4} y+log _{4} 2=2 ) Similanly, ( x^{2} y z=16-0 ) - ( x y^{2} z=81 ) - ( x y z^{2}=256 ) (ii) ( Rightarrow quad(ln y z)^{4}=2^{4} cdot 3^{4} cdot 4^{4} ) ( Rightarrow quad x y z=2 cdot 3 cdot 3 y=24 ) ( x cdot x y z=16 ) ( Rightarrow x=frac{16}{24}=frac{2}{3} )
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