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Q.

In the given figure ΔABC is right angled at B. If AB = 4 and BC = 3 and side AC slides along the coordinate axes in such a way that ‘B’ always remains in the first quadrant, then locus of B is

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a

3y = 4x

b

3x2=4y2

c

x2=y2

d

3y + 4x = 0

answer is B.

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Detailed Solution

tanθ=34  (from Fig.)
 Slope of OB=tan(π2θ)=cotθ  
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 Locus of (h, k) is kh=433y4x=0  

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