दीर्घवृत्त 25x2 + 16y= 400 के लैटस रेक्टम की लम्बाई क्या है?

  1. 25/2
  2. 25/4
  3. 16/5
  4. 32/5

Answer (Detailed Solution Below)

Option 4 : 32/5
Free
NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

Detailed Solution

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संकल्पना:

समीकरण 

 (a > b)

  (a < b)

लैटस रेक्टम की लम्बाई 

 

गणना:

25x2 + 16y2 = 400

मानक समीकरण के साथ तुलना करने पर: a = 4 ; b = 5

चूँकि ( a < b )

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