21:["$","div",null,{"data-slot":"card","className":"bg-card text-card-foreground flex flex-col gap-6 rounded-xl border py-6 shadow-sm w-full max-w-4xl mx-auto hover:shadow-lg hover:border-primary/50 transition-all duration-200 cursor-pointer","children":[["$","div",null,{"data-slot":"card-header","className":"@container/card-header grid auto-rows-min grid-rows-[auto_auto] items-start gap-2 px-6 has-data-[slot=card-action]:grid-cols-[1fr_auto] [.border-b]:pb-6","children":["$","div",null,{"className":"flex justify-between items-start gap-4","children":[["$","div",null,{"className":"space-y-1","children":[["$","div",null,{"data-slot":"card-title","className":"text-xl font-bold hover:text-primary transition-colors","children":"Putnam 2008 B1"}],["$","p",null,{"className":"text-sm text-muted-foreground","children":["Source: ",""]}]]}],["$","div",null,{"className":"text-xs text-muted-foreground whitespace-nowrap","children":"12/8/2008"}]]}]}],["$","div",null,{"data-slot":"card-content","className":"px-6 space-y-4","children":["$","div",null,{"className":"prose dark:prose-invert max-w-none","children":["$","div",null,{"className":"latex","children":["$","span",null,{"className":"__Latex__","dangerouslySetInnerHTML":{"__html":"What is the maximum number of rational points that can lie on a circle in

\\mathbb{R}^2

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B1

Problems(1)