the latus rectum of the ellipse 5x^2+9y^2=45 is
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5x² + 9y² = 45
x²/9 + y²/5 = 1
compare with x²/a² + y²/b² = 1
a² = 9 ;b² = 5
a = 3
latus rectum = 2b² / a
= 2*5/3
=10/3
x²/9 + y²/5 = 1
compare with x²/a² + y²/b² = 1
a² = 9 ;b² = 5
a = 3
latus rectum = 2b² / a
= 2*5/3
=10/3
bkritagya:
thnqu sir
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