13. 3x²-20x+25 13y²-37y-6 a) x>y b) x2y c) x.. Created by DhruvJ2702.

13. 3x²-20x+25 13y²-37y-6 a) x>y b) x2y c) x

August 2023 1 2 Report

13. 3x²-20x+25 13y²-37y-6 a) x>y b) x2y c) x.

Answer:

Given:

3x2 + 20x + 12 = 0

Calculation:

3x2 + 20x + 12 = 0

⇒ 3x2 + 2x + 18x + 12 = 0

⇒ (x + 6) (x + 2/3) = 0

∵ x ϵ I

⇒ x = -6

Now, y2 = 9 - (- 216) = 225

∴ y = - 15 or 15

Range (y): - 15 ≤ y ≤ 15