D என்பது AB கோட்டுத் துண்டின் மையப்புள்ளி. A மற்றும் D இன் ஆயக்கூறுகள் முறையே (2, 4) மற்றும் (-1, 3) ஆகும். B இன் ஆயக்கூறுகள்:

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RRB ALP Electrician 22 Jan 2019 Official Paper (Shift 1)
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  1. (-4, 2)
  2. (-5, 4)
  3. (4, -5)
  4. (3, 1)

Answer (Detailed Solution Below)

Option 1 : (-4, 2)
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கொடுக்கப்பட்டவை:
 
A = (2, 4) மற்றும் D = (-1, 3)
 
பயன்படுத்திய சூத்திரம்:
 
A = (a, b) மற்றும் B = (c, d) மற்றும் D என்பது AB கோட்டுத் துண்டின் மையப்புள்ளியாக இருந்தால்
 
D = (x, y)
 
⇒ x = (a + c)/2 மற்றும் y = (b + d)/2
 
கணக்கீடு:
 
B இன் ஆயக்கூறுகள் (x, y) ஆக இருக்கட்டும்
 
கேள்வியின் படி,

(2 + x)/2 = - 1

⇒ 2 + x = - 2

⇒ x = - 4

மற்றும்,

(4 + y)/2 = 3

⇒ 4 + y = 6

⇒ y = 2

∴ B இன் ஆயக்கூறுகள் = (-4, 2)
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