Joydip Panchal Crack Aptitude Test
Need explaination :
A rectangular circuit board is designed to have width w inches, perimeter p inches, and area k square inches. Which of the following equations must be true?
w²+pw+k=0
w²-pw+2k=0
2w²-pw+2k=0
2w²-pw-2k=0
none of these
A rectangular circuit board is designed to have width w inches, perimeter p inches, and area k square inches. Which of the following equations must be true?
w²+pw+k=0
w²-pw+2k=0
2w²-pw+2k=0
2w²-pw-2k=0
none of these
