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in Coordinate Geometry by (43.5k points)
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यदि बिन्दु (x, y),(2, 3) व (-3, 4) संरेख हैं तो सिद्ध कीजिए कि x + 5y = 17

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∵ ये बिन्दु सरेख हैं।

∴ ∆ का क्षेत्रफल = 0

1/2[(3x – 8 – 3y) – (2y – 9 + 4x)] = 0

3x + 8 – 3y – 2y + 9 – 4x = 0

-x – 5y = – 17

( – ) से गुणा करने पर,

x + 5y = 17

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