An important question from similarity chapter as it is already been asked in previous year paper in 2007 in which we have been asked to DC2=CF*AC, if DE || AB and FE || DB
ML Aggarwal Avichal Publication class 10, Similarity, question no 5b
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In ΔCAB, since DE || AB,
In ΔCDB, since FE || DB,
From (1) and (2), we get