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Soil puddling creates a compacted, impermeable layer below the puddled zone which reduces percolation losses. Puddling also softens the soil and assists manual transplantation of rice seedling.
I. 4x2+ 3√7 x-7 =0
II. 7y2+ 4√7 y-5=0
I. 99x² + 161 x + 26 = 0
II. 26 y² + 161 y + 99 = 0
I. 40 x² - 93 x + 54 = 0
II. 30 y² - 61 y + 30 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 11x² - 93x + 88 = 0
Equation 2: 13y² + 118y + 93 = 0
I. 15/(√x)+9/(√x)=11√x
II. (√y)/4 + (5√y)/12 = 1/(√y)
I. 8x2- 2x – 15 = 0
II. 12y2- 17y – 40 = 0
I. 6p² + 17p + 12 = 0
II. 12q² - 25q + 7 = 0
I. 63x2+ 148x + 77 = 0
II. 21y2+ 89y + 88 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 31x² - 170x + 216 = 0
Equation 2: 22y² - 132y + ...
I. 2b2- 37b + 143 = 0
II. 2a2+ 15a - 143 = 0
