the area of a rectangular field is 3 a square + 5 a b + 2 b square one of its side is a + b find the length of the fence around the field
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area of rectangle=length ×breadth
length= a+b
breadth=?
area=3a²+5ab+2b²
3a²+5ab+2b²=(a+b)×breadth
3a²+5ab+2b²/a+b =breadth
for division refer to the picture
breadth=3a+2b
length= a+b
breadth=?
area=3a²+5ab+2b²
3a²+5ab+2b²=(a+b)×breadth
3a²+5ab+2b²/a+b =breadth
for division refer to the picture
breadth=3a+2b
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Answer: 8a+6b
If you divide area by breadth you get answer
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