if (x-2),7,(2x-7),15 are in proportion, then find the value of x
Answers
Answered by
1
Answer:
(x - 2), 7, (2x - 7), 15 are in proportion
Therefore, (2x - 7)² = 15 × 7
» 4x² - 28x + 49 = 105
» 4x² - 28x - 56 = 0
» x² - 7x - 14 = 0
» x = (7 ± √105)/2
Similar questions
Computer Science,
1 month ago
History,
1 month ago
Math,
1 month ago
Math,
9 months ago
Math,
9 months ago