3 ∶ 1 എന്ന അനുപാതത്തിൽ ആന്തരികമായി (- 5, 5) (- 5, 5), (7, -3) എന്നീ ബിന്ദുക്കൾ ചേരുന്ന രേഖാഖണ്ഡത്തെ വിഭജിക്കുന്ന ബിന്ദുവിന്റെ സൂചക സംഖ്യകൾ നൽകിയിരിക്കുന്നത്

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RRB ALP CBT I 29 Aug 2018 Shift 1 Official Paper
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  1. (-2, 3)
  2. (4, -1)
  3. (1, 1)

Answer (Detailed Solution Below)

Option 2 : (4, -1)
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നൽകിയത്:

3 ∶ 1 എന്ന അനുപാതത്തിൽ ആന്തരികമായി (- 5, 5) (- 5, 5), (7, -3) എന്നീ ബിന്ദുക്കൾ ചേരുന്ന രേഖ.

ഉപയോഗിച്ച ആശയം:

(x, y) = [{m1 × x2 + m2 × x1}/m1 + m2], [{m1 × y2 + m2 × y1}/m1 + 2]

കണക്കുകൂട്ടൽ:

രേഖാഖണ്ഡത്തെ ആന്തരികമായി വിഭജിക്കുന്ന ബിന്ദു P(x, y) ആകട്ടെ 

ഇവിടെ,  m1 = 3, m2 = 1

(x1, y1) = (-5, 5) and (x2, y2) = (7, -3)

മുകളിലുള്ള സൂത്രവാക്യത്തിൽ, മുകളിലുള്ള മൂല്യങ്ങൾ നൽകുമ്പോൾ, നമുക്ക് ലഭിക്കും

⇒ x = [{3(7) + 1(-5)}/4], y = [{3(-3) + 1(5)}/4]

⇒ x = 16/4, y = -4/4

x = 4, y = -1

∴ (4, -1) രേഖാഖണ്ഡത്തെ വിഭജിക്കുന്ന ബിന്ദു ആണിത്.

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