dear sir shanker, chapter on conic sec. ellipse for class xi. i watching part 2 of ellipse but could not understand how you derive the std. equation i.e xsq over asq + ysq over asq - csq = 1

Asked by yashpinto | 20th Sep, 2011, 12:00: AM

Expert Answer:

Answered by  | 26th Sep, 2011, 10:04: AM

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