question :

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Area of a square field is 841metre square a rectangular field whose length is twice its breadth has its perimeter equal to the perimeter of square field find area of the rectangular field ​

Resolve the force of 30n acting north east away from the points​

2x^2+2(p+q)x+p^2+q^2 find quadratic wen such that it's roots are square of sum of the roots and square of differences of the 2x^2+2(p+q)x+p^2+q^2