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Subject :IMO    Class : Class 8

Amit want to buy a rectangular field whose area is (3a2 + 5ab + 2b2) sq. units. One of its sides is (a + b) units. Find the length of the fence around the field.

A (10a + 20b) units
B (4a + 3b) units
C (2a + 2b) units
D (8a + 6b) units


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