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Like addition, subtraction, etc., we define a new operation . For example, if we write 4 5 then its value will be 4⇥2+5 = 13, if w

By Caroline

Like addition, subtraction, etc., we define a new operation . For example, if we write 4 5 then its value will be 4⇥2+5 = 13, if we write 5 4 then its value will be 5⇥2+4 = 14, and so on. In general, if a and b are two numbers then the value of a b can be given by a b = 2a + b. Now solve the following problem.
If a b = 18 and b a = 21, then find the value of (3a) (5b).

About the author
Caroline

dying
peasant all his Sonslary
-peasant
old peasant. all his bons lawy
peasant dying
called all his sous

36.
A poor artist on the street makes funny
cartoons for children and earns his living.
Once he made a comic face b

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