Question

Question:-

A rectangular sheet of paper has its area 24 square metres the margin at the top and the bottom are 75 cm each and at the sides are 50 cm each what are the dimensions of the paper in the area of the printed space is maximum.


★Note : Don't Spam​

Answer 1

Printed area is =24- 0.75x-0.50ywhere x and y

are the length and breadth of the sheet.

Also, xy = 24

24-0.75x-12/x

0.75+12/x²=0

x²=16

x=4 and y = 6

printed area 24-3-3= 18sq meters

Answer 2

Answer:

Printed area is =24−0.75x−0.50y where x,y are the length and breadth of the sheet.

Also, xy=24

$24 - 0.75x - \frac{12}{x}$

$- 0.75 + \frac{12}{ {x}^{2} } = 0$

${x}^{2} = 16$

X= 4, Y = 6

Printed area = 24−3−3=18 sq.meters

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