| Dionysius Lardner - 1823 - 658 páginas
...find the curve in which the perpendicular from the origin on the tangent is constant. (82.) To find the curve in which the perpendicular from the origin on the tangent varies in the subduplicate ratio of the radius vector. (83.) To find the curve in which the locus of... | |
| Dionysius Lardner - 1831 - 582 páginas
...find the curve in which the perpendicular from the origin on the tangent is constant. (82.) To find the curve in which the perpendicular from the origin on the tangent varies in the subduplicate ratio of the radius vector. (83.) To find the curve in which the locus of... | |
| Duncan Farquharson Gregory - 1841 - 566 páginas
...integral of this is When n = 3, m = 2, this gives the common parabola, as is otherwise obvious. (3) Find the curve in which the perpendicular from the origin on the tangent is equal to the abscissa. The differential equation is dy or «2 — л?8 = 2 a?« — . da> This is a homogeneous equation,... | |
| D. F. Gregory - 1846 - 572 páginas
...«"- ' = Cym. When n = 3, го « 2, this gives the common parabola, as is otherwise obvious. (3) Find the curve in which the perpendicular from the origin on the tangent is equal lo ihe abscissa. The differential equation is dy or y" - a? = Zxy -—. ti i This is a homogeneous... | |
| Samuel H. Winter - 1877 - 452 páginas
...to all the lines ? 13. Find the equation to the tangent of the circle y*=2ax — x*, and show that the perpendicular from the origin on the tangent is equal to the abscissa. 14. Prove either analytically or geometrically that the subnormal of a parabola is equal to half the... | |
| Sir Horace Lamb - 1897 - 644 páginas
...the radius is one-half the vectorial angle (6). [The cardioids r = a (1 - cos 6).] 9. Find the curves in which the perpendicular from the origin on the tangent is equal to the abscissa of the point of contact. [The circles r = 2a cos 6.] 10. Find the curves such that the portion of the... | |
| William Holding Echols - 1902 - 536 páginas
...o. Put y = zx. .: z+ Integrating, Replacing z by y/x, we have log x = e - -5 - log z. 2. Determine the curve in which the perpendicular from the origin on the tangent is equal to the abscissa of the point of contact. Ans. The circles x* -\- y* = 2cx. 3. Find the curve in which the intercept... | |
| 558 páginas
...radius is one-half the vectorial angle (в). [The cardioids r = a (1 — cos 0).] 12. Find the curves in which the perpendicular from the origin on the tangent is equal to the abscissa of the point of contact. [The circles r - 2a cos в.] 13. Find the curves such that the portion of... | |
| 556 páginas
...radius is one-half the vectorial angle (ff). [The cardioids r = a (1 — cos 6).] 12. Find the curves in which the perpendicular from the origin on the tangent is equal to the abscissa of the point of contact. [The circles r = 2o cos 6.] 13. Find the curves such that the portion of the... | |
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