Question
If x² + px + q = 0 has roots 4 and -3, find the values
of p and q.Solution
Sum of roots = -p. 4 + (-3) = 1. p = -1. Product of roots = q. 4 × (-3) = -12. q = -12. Correct option: a) p = -1, q = -12
The length of a line segment A, B is 10 units. The coordinates of point A are(2,3) and the value of ordinate of point B is 5. Then find the value of abs...
I. 8/(√x) + 6/(√x) = √x
II. y ³- (14)7/2 /(√y) = 0
If, x - y radic; 3 = 23 and radic; 3x + y = 35
Find the angle between both the lines when they intersect each other.
...If (5√P - 7√Q) = 5, [1.5P = 4Q-(R/3)+9] and (√P/√Q) = 1.6, then find out the value of ‘R’.
The equations 6x + my + 18 = 0 and 9x + 21y + 27 = 0 have a unique solution. Which of the following statements is definitely true?
3 pens + 5 pencils = ₹49
4 pens + 3 pencils = ₹47
Find cost of one pen.
Find the value of 'a' and 'b' which satisfy the following equations:
9a + 7b = 30
4a - 5b = 62
If in two linear equations ax + by = c and dx + ey = f and a/d = b/e = c/f then, which of the following is true about the two equations?
I. p² - 365 = 364
II. q - √ 529 = √ 169
I. p2 – 5p + 6 = 0
II. 36q2 = 81
...
