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CAT-2006-Previous Years Paper

Question
20 out of 25
 

If log yx = (a . log zy) = (b . log xz) = ab, then which of the following pairs of values for (a, b) is not possible?



A (–2, 1/2)

B (1, 1)

C (0.4, 2.5)

D (π, 1/ π )

E (2, 2)

Ans. E

Or, ab – a3b3 = 0, hence ab = ± 1.

Only option (e) does not satisfy.

CAT-2006-Previous Years Paper Flashcard List

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