if is an operation such that for integer a & b, a * b = a× b + (a×a +b × b) then find (-5)*(-2)
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Step-by-step explanation:
very simple:
=>(-5)*(-2)=-5×-2+(-5×-5 + -2×-2)
= -5×-2+(25+4)
= -5×-2+29
=10+29
=39
rules:
– × – = +
BODMAS = Bracket > Of > Divide > Multiply>
Add > Subtraction.
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