Question

If * is an operation such that for integers a and b we have a * b = a × b + (a × a + b × b) then find (–6) * 2

Answer 1

Now, put a = –6 and b = 2

(–6) * 2 = (–6 × 2) + [(–6) × (–6) + 2 × 2]

= –6 × 2 + (36 + 4)

= –12 + 40

= 28