Z-Library is a shadow library or a database where users worldwide (1)/could freely access books ranging at (2)/the latest bestselling novels and unreleased advance reader copies (3)/to academic texts and journals prescribed by universities (4).
Here, ‘at’ is the incorrect preposition. The correct preposition should be ‘from’. Z-Library is a shadow library or a database where users worldwide could freely access books ranging from the latest bestselling novels and unreleased advance reader copies to academic texts and journals prescribed by universities.
I. 5x2 – 7x – 6 =0
II. 2y2 – 5y – 7 =0
I. 99x² + 161 x + 26 = 0
II. 26 y² + 161 y + 99 = 0
I. 2y2– 19y + 35 = 0
II. 4x2– 16x + 15 = 0
I. x2 – 13x + 40 = 0
II. 2y2 – 15y + 13 = 0
I. 5x² - 28x + 39 = 0
II. 2y² - 13y + 20 = 0
I.12a2– 55a + 63 = 0
II. 8b2- 50b + 77 = 0
...I. x2 + 25x + 154 = 0
II. y2 + 27y + 181 = 0
I. 6x2 – 7x - 20 = 0
II. 3y2 - y - 14 = 0
I. 2x2 + 13x + 21 = 0
II. 3y2 + 34y + 63 = 0
I. 22x² - 97x + 105 = 0
II. 35y² - 61y + 24 = 0