Let () be a binary operation on a natural number defined by $a b = a - b + (ab)^2$, then find $3 * 5$

Assessment: JAMB UTME - Mathematics - 2022 Subject: General Mathematics

Question 1 Report

Let (*) be a binary operation on a natural number defined by $a * b = a - b + (ab)^2$, then find $3 * 5$

223

232

32

-232

Answer Details

3 * 5 = 3 - 5 + (3 x 5) $^{2}$

-2 + (15) $^{2}$

-2 + 225

= 223

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