Question
Give that a>b then the relation Ma [md (a) . mn (a, b)] = mn [a, md (Ma (a, b))] does not hold if (CAT 1994)
Answer: Option A
:
A
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:
A
Soln:(a)
Ma [md (a), mn (a, b)] = mn [a, md (Ma (a, b)]
Ma [2, -3] = mn [-2, md (-2)]
2 = mn ( -2 , 2)
2 = -2
Relation does not hold for a = -2 and b = -3
Or a < 0, b < 0
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