Example: biology
2a 18
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2021 Schedule J (Form 1040) - IRS tax forms
www.irs.gov2a. Enter your . elected farm income (see instructions). Do not . enter more than the amount on line 1 . . 2a Capital gain included on line 2a: b. ... 18 19. If you used Schedule J to figure your tax for: • 2020, enter the amount from your 2020 Schedule J, line 12.
3.5 Parabolas, Ellipses, and Hyperbolas
ocw.mit.edu3H At all points on the ellipse, the sum of distances from the foci is 2a. This is another equation for the ellipse: from F1 and F2 to (X, y): (X- )2 +y 2 + /(x 2 = 2a. (5) To draw an ellipse, tie a string of length 2a to the foci. Keep the string taut and your moving pencil will create the ellipse. This description uses a and c-the other form