Plz answer this in detail and quickly.
2moro is exam.
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ChiragK:
x=3. By BPT
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Use converse of Basic proportionality theorem
AD/DB=AE/EC (DE parallel to BC)
x/3x+1=x+3/3x+11
AD/DB=AE/EC (DE parallel to BC)
x/3x+1=x+3/3x+11
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