Differentiating with respect to one variable means thinking of all the other variables as constants. The answer is thus y=0.
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The answer is 2. 2x = 2x1 So you follow the usual rule about bring down the exponent and subtract one from it and you get 1*2x0= 2x0=2
Which means 0 = -1!
1 dekaliter equals to 10 liters
(1, -1)
One multiplied by one equals one. This is because any number that is multiplied by one equals itself. In this case, it equals one.