In a STEP past paper I am doing I got to the last part of question 6 but I can't seem to understand what is given to me. Could someone enlighten me what is meant by a focus of two lines or tangents? I have attatched the question bellow
2026-04-03 00:00:06.1775174406
STEP 3 1989 Q6: Trouble understanding what is meant by focus of two tangents.
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