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Explanation:- The standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, whereas a high standard deviation indicates that the values are spread out over a wider range.
I. 9x2 + 45x + 26 = 0
II. 7y2 – 59y − 36 = 0
I. x2 - 20x + 96 = 0
II. y2 - 23y + 22 = 0
I. 84x² - 167x - 55 = 0
II. 247y² + 210y + 27 = 0
Roots of the quadratic equation 2x2 + x – 528 = 0 is
I. 3x2 - 14x + 15 = 0
II. 15y2- 34 y + 15 = 0
Given the sum of the roots of the (b+2)y2 - (4b+2)y + 0 is (13/4), Determine the product of the roots.
I). p 2 – 17p + 70 = 0
II). q 2 – 25q + 154 = 0
What will be the product of smaller roots of both equations.
I. 15/(√x)+9/(√x)=11√x
II. (√y)/4 + (5√y)/12 = 1/(√y)
I. 64x2 - 64x + 15 = 0
II. 21y2 - 13y + 2 =0
