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kg grain/ kg nutrient The mean agronomic efficiency (AE, kg grain yield increased per unit of N, P2O5 or K2O applied)
I. x2 - 9x - 52 = 0
II. y2 - 16y + 63 = 0
I. 104x² + 9x - 35 = 0
II. 72y² - 85y + 25 = 0
The quadratic equation (p + 1)x 2 - 8(p + 1)x + 8(p + 16) = 0 (where p ≠ -1) has equal roots. find the value of p.
I. 3p² - 11p + 10 = 0
II. 2q² + 13q + 21 = 0
I. 2p2 + 25p – 13 = 0
II. 2q2 – 19q = 2q + 23
Equation 1: x² + 16x + 63 = 0
Equation 2: y² + 10y + 21 = 0
I. √(74x-250 )– x=15
II. √(3y²-37y+18)+ 2y=18
I. 2x2 + 12x + 18 = 0
II. 3y2 + 13y + 12 = 0
I. x2 - 4x – 21 = 0
II. y2 + 12y + 20 = 0
I. 2x2– 25x + 33 = 0
II. 3y2+ 40y + 48 = 0
