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BOD refers to the oxygen demand exerted by microorganisms while metabolizing organic material in water, indicating the presence of biodegradable organics and indirectly measuring water pollution.
I. 4x² - 21 x + 20 = 0
II. 8y² - 22 y + 15 = 0
I. 3x2 – 16x + 21 = 0
II. y2 – 13y + 42 = 0
I. 3q² -29q +18 = 0
II. 9p² - 4 = 0
I. 8a2 – 22a+ 15 = 0
II. 12b2 - 47b + 40=0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 21x² - 122x + 160 = 0
Equation 2: 23y² - 15...
I. x2 – 39x + 360 = 0
II. y2 – 36y + 315 = 0
In each of these questions, two equations (I) and (II) are given.You have to solve both the equations and give answer Â
I. 3x² –7x + 4 = 0Â...
I). p2 + 17p - 234 = 0
II). q2 - 21q + 108 = 0
I. 3p² + 13p + 14 = 0
II. 8q² + 26q + 21 = 0
I. x2 – 3(x + 5) = -11
II. y2 – 4(y + 2) = -2y