वह बिंदु ज्ञात कीजिए जिस पर बिंदुओं (- 1, 0) और (2, 6) से जुड़ा रेखाखंड आंतरिक रूप से 2 : 1 के अनुपात में विभाजित होता है।

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RRC Group D Previous Paper 5 (Held On: 23 Sep 2018 Shift 1)
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  1. (0, 5)
  2. (1, 4)
  3. (1, 3)
  4. (0, 4)

Answer (Detailed Solution Below)

Option 2 : (1, 4)
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RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

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⇒ अन्तः विभाजन के लिए खंड सूत्र = {[(mx2 + nx1)/(m + n)], [(my2 + ny1)/(m + n)]}

⇒ यहाँ, x1, y1 = (- 1, 0) और x2, y2 = (2, 6). m : n = 2 : 1

⇒ [(2 × 2) + (1 × - 1)]/(2 + 1), [(2 × 6) + (1 × 0)]/(2 + 1) = (1, 4)

∴ बिन्दुओं (- 1, 0) और (2, 6) को मिलाने वाले रेखाखंड को 2 : 1 के अनुपात में विभाजित करने वाला बिंदु (1, 4) है।

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