If (25-4x²) = (5+ax) (5-ax) let's find the positive value of a.
Answers
Answered by
1
Answer:
2
Step-by-step explanation:
(25 - 4x²) = (5 + ax) (5 - ax)
25 - 4x² = (5 + ax) (5 - ax)
{Using identity : (a + b)(a - b) = a² - b²}
25 - 4x² = (5)² - (ax)²
25 - 4x² = 25 - a²x²
Comparing,
a² = 4
a √4
a = ±2
∴ Positive value of a = +2
Similar questions
Biology,
5 hours ago
Social Sciences,
5 hours ago
Physics,
9 hours ago
Math,
9 hours ago
Math,
7 months ago