Question

answer fast with full solution please​

Answer 1

Ans:- Length of rectangle = (3/4a^2 + 3b^2)

Breadth of rectangle = (4a^2 - 8/3b^2)

Now,

Area of rectangle = L × B

= (3/4a^2 + 3b^2) × (4a^2 - 8/3b^2)

= 3/4a^2(4a^2 - 8/3b^2) +

3b^2(4a^2 - 8/3b^2)

= 3a^4 - 2b^2 + 12a^2b^2 - 8b^4

hence the area of rectangle is 3a^4 - 2b^2 + 12a^2b^2 - 8b^4

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