The equation |sqrt(x^2+(y-1)^2)-sqrt(x^2...

The equation `|sqrt(x^2+(y-1)^2)-sqrt(x^2+(y+1)^2)|=K` will represent a hyperbola for `K in (0,2)` (b) `K in (-2,1)` `K in (1,oo)` (d) `K in (0,oo)`

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The equation |sqrt(x^2+(y-1)^2)-sqrt(x^2+(y+1)^2)|=K will represent a ...
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The equation |sqrt(x^2+(y-1)^2)-sqrt(x^2+(y+1)^2)|=K will represent a ...
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sum(k=1)^(oo)(1)/(k sqrt(k+2)+(k+2)sqrt(k))=(2+sqrt(2))/(a) then
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Interval of convergence of the power series sum(k=1)^(oo)((x+2)^(k))/(...
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The equation (x^(2))/(12-k)+(y^(2))/(8-k)=1 represents a hyperbola if
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The equation |sqrt(x^(2)+(y-1)^(2))-sqrt(x^(2) +(y+1)^(2))| = k will r...
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If the equation (k+1)x^(2)-6xy+(k-7)y^(2)=0 represents a pair of coinc...
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If lim (xto oo) (sqrt( x ^(2) -x+1)-ax -b)=0, then for k ge 2, (k in...
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If sum(k = 1)^(oo) (1)/((k + 2)sqrt(k) + ksqrt(k + 2)) = (sqrt(a) + sq...
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