Question 1 Misalkan S merupakan permukaan z=6−3y+x2 yang berada di atas segitiga dengan titik-titik sudut (0,0), (2,0), (2,−4). Jika ∬, maka a-b=\ldots.Expected answer: Save answer Score: 0/1 Feedback for . Hide feedback.The feedback has changed.This feedback is based on your last submitted answer. Save your changed answer to get updated feedback. Or, you could: ⤺ Go back to the previous part There's nothing more to do from here. Advice \endgroup Score: 0/1 Total 0/1 Move to the next questionTry another question like this oneReveal answers