(1) The area of a rectangular plot ...
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(1) The area of a rectangular plot is 528 m. The length of the plot (in metres) is one more than twice its breadth. We need to find the length and breadth of the plot.

11th - 12th Class
Maths
Solution
108
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( begin{array}{l}text { let } B=x qquad begin{aligned} L=& 2 x+1 (2 x+1) x=& 528 2 x^{2}+x-528=0 end{aligned} x=frac{-1 pm sqrt{1+8 times 528}}{2 times 2} x=frac{-1 pm 65}{4}-frac{1+65}{4}=frac{64}{4}=16 operatorname{sen} x= & 16 m L=33 mend{array} )
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