Use the identity for the difference of two squares, a^2-b^2=(a-b)(a+b), and the imaginary number i to create an identity for the
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<h2>1620 kg</h2>Solution,
Let the length and breadth of smaller rectangle be l and b.
Length and breadth of larger rectangle be 3L and 3 b.
Besides, depth is same in both beds.
As area of small rectangle=180
Area of larger rectangle:
Hope this helps..
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