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Olami
An operation*is define by x*y=x+y+2xy,for x,y e r (i)calculate(2*3)*5
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Answered by
oobleck
just plug and chug ...
2*3 = 2+3+2*2*3 = 2=3+12 = 17
17*5 = 17+5+2*17*5 = ____
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