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यदि y^2 = 4ax की बिन्दुओं (x1, y1) तथा (...

यदि `y^2 = 4ax` की बिन्दुओं `(x_1, y_1)` तथा `(x_2, y_2)` पर स्पर्शी बिन्दु `(x_3, y_3)` पर मिलती है, तब

A

`y_3 = y_1 + y_2`

B

`y_3 = sqrt(y_1y_2)`

C

`2y_3 = y_1 + y_2`

D

`(2)/(y_3)=(1)/(y_1)+(1)/(y_2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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