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Let the length of the rectangular field be ‘x’ meter. Breadth of the field = (x – 15) meter. Therefore, perimeter of the field = 2 [x + (x + 15)] = (4x + 30) meter According to the question, => 4x – 30 = 350/5 => 4x = 70 + 30 => x = 25 meters
Which of the following is an anti-derivative of cos 2x.
Differentiate sin (cos (x2)) with respect to x.