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x²/25 + y²/16 = 1 എന്ന എലിപ്സിന്റെ ലക്ട്സ് റെക്ടത്തിന്റെ നീളം കണ്ടെത്തുക

A16/5

B32/5

C40/5

D25/8

Answer:

B. 32/5

Read Explanation:

എലിപ്സിന്റെ സമവാക്യം x²/a² + y²/b² = 1 : a> b ഇവിടെ x²/25 + y²/16 = 1 a = 5, b = 4 ലക്ട്സ് റെക്ടത്തിന്റെ നീളം = 2b²/a = 2 × 4²/5 = 32/5


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