Barrow, Isaac, Lectiones opticae & geometricae : in quibus phaenomenon opticorum genuinae rationes investigantur, ac exponuntur: et generalia curvarum linearum symptomata declarantur

Page concordance

< >
Scan Original
251 58
252 59
253 60
254 61
255 62
256 63
257 64
258 65
259 66
260 67
261 68
262 69
263 70
264 71
265 72
266 73
267 74
268 75
269 76
270 77
271 78
272 79
273 80
274 81
275 82
276 83
277 84
278 85
279 86
280 87
< >
page |< < (81) of 393 > >|
Exemp. I.
Fiant quæ ſuprà præſcripta ſunt, & (ductâ ANL) nominetur
AB
= _r_;
& AP = _q_; unde AQ = _q_ - _e_; item QN = _m_ -
_a_
.
ergò eſt _qq_ + _ee_ - 2 _qe_ + _mm_ + _aa_ - 2 _ma_ = (AQq
+ QNq = ANq = ) BLq;
hoc eſt (rejectis, uti monitum eſt,
rejiciendis
) _qq_ - 2 _qe_ + _mm_ - 2 _ma_ = BLq.
Porrò eſt
AQ
.
QN: : AB. BL; hoc eſt _q_ - _e. m_ - _a_: : _r._ BL =
{_rm_ - _ra_.
/_q_ - _e_} quare {_rrmm_ + _rraa_ - 2 _rrma_/_qq_ + _ee_ - 2 _qe_. } = BLq; ſeu
(rejectis ſuperfluis) {_rrmm_ - 2 _rrma_/_qq_ - 2 _qe@_} = BLq = _qq_ - 2 _qe_ +
_mm_
- 2 _ma_.
vel _rrmm_ - 2 _rrma_ = _q_4 - 2 _q_3_e_ + _qqmm_ - 2 _qqma_ - 2 _q_3_e_ +
4
_qqee_ - 2 _qmme_ + 4 _qmae_;
hoc eſt (abjectis iis, quæ

Text layer

  • Dictionary

Text normalization

  • Original
  • Regularized
  • Normalized

Search


  • Exact
  • All forms
  • Fulltext index
  • Morphological index