If * is an operation such that for integers 'a' and 'b' we have a b = axa + bxb-axb, then find
2*3
Answers
Answered by
2
Answer:
wait isn't 2×3 already solved?
Answered by
9
Step-by-step explanation:
from given information
a*b = a×b + (a×a + b×b)
so (-3)*(-5) = (-3)×(-5) + ((-3)×(-3) + (-5)×(-5)) = 15 + (9 +25)
= 15 + 34
(-3)*(-5) = 49
(-6)*2 = (-6)×2 + ((-6)×(-6) + 2×2)
(-12) + (36 + 4) = -12 + 40(-6)*2 = 28
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