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Question

The locus of the centre of the circle which cuts off intercepts of length 2a and 2b on X-axis and Y-axis respectively, is

A
x + y = a + b
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B
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C
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D
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Solution

The correct option is C
2g2c=2a(i)
2f2c=2b(ii)
On squaring (i) and (ii) and then subtracting (ii) from (i), we get g2f2=a2b2.
Hence the locus is x2y2=a2b2.

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