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1. The sum of squares of length and breadth of a rectangle is100 and its area is 48. Find the length and breadth of therectangle.2. Simplify (2x + 3y ) 2 – (2x -3y ) 2 |
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Answer» area=48m^2 (l+b)^2=100 l+b=square ROOT 100 l+b=10 l=10-b l*b=48 b=48/l l+b=10 l+48/l=10 taking lcm l^2+48=10l |
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