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Previous Year Question (PYQs)
1
If the locus of a point whose distances from $(2,1)$ and $(1,3)$ are in the ratio $5:4$ is
$ax^{2}+by^{2}+cxy+dx+ey+170=0$, then the value of $a^{2}+2b+3c+4d+e$ is:
Solution
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