Let D be the region on the right half plane which lies below y=x+1 and inside the ellipse 1. Which of the expression of the area of D as a definite integral? 4 O a. f (2 +1+2/T – * )da a. O b. f (* + 1- 2/1- a? )da 3/5 O c. " (* +1+ 2/1- 2)da + 4 f6 /1- a da O d. (a +1- 2/1- 2 )da + 2 fay6 V1- da

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