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Question

The equation of an ellipse is given in its standard form as 16x2+y2=16, then the length of the major axis is,

A
8
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B
2
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C
4
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D
1
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Solution

The correct option is A 8
Equation of ellipse given, 16x2+y2=16

Dividing both sides by 16

x21+y216=1

Comparing with, x2a2+y2b2=1

a=1,b=4(b>a)

length of major axis=2×4=8

Hence option A is the answer.


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