answer was 512/15 , you only do this if the curve goes below the X axis which it didn't as both the X values lay exactly on the line! just simply do it between 3 and -1
Anyone else confused by the binomial expansion question, very unclear wording about what the "constant" was. could've easily been interpreted either way ??? (I personally got +/- root 3, but both methods and answers make sense)
Anyone else confused by the binomial expansion question, very unclear wording about what the "constant" was. could've easily been interpreted either way ??? (I personally got +/- root 3, but both methods and answers make sense)
confused/annoyed at OCR
Yeah I did the other way which is apparently wrong but they didn't state which constant and k was a constant
Yes! Realy annoyed at myself for not reading the question more carefully
to be fair from what I remember the question was very unclear. I'm not 100% sure but I think the only clue was it said give your answer in exact form (which usually means it involves a square root)
I did -1 to 0 and 0 to 3 as otherwise it wouldn't give the exact area would it? Not 100% sure but I got something like 179/5
The areas only cancel out when they're above and beneath the x axis (y=0)
If the question had been about integrating with y values as limits, and there were areas on either sides of the y axis, you'd need two separate integrals (I think, I'm just extrapolating)