Answer :

Given


Area = 4a2 + 4a βˆ’ 3


= 4a2 + 6a – 2a βˆ’ 3


= 2a (a + 3) βˆ’ 1(2a + 3)


= (2a + 3)(2a βˆ’ 1)


⟹ Length = 2a + 3 and Breadth = 2a + 3


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