16) If (2 + √3) is a root of a quadraticequation x2 + Px + q = 0 then find thevalue of p and q.(a) (4, -1)(b) (4, 1)(c) (-4, 1)(d) (2, 3)
17) If one root of a equation is 2 + √5,then the quadratic equation is :(a) x2 + 4x -1 = 0(b) x2 _ 4x -1 = 0(c) x2 + 4x + 1 = 0(d) x2 _ 4x + 1 = 0
18) The value of2+ 1 is :2 + 12 + 12 + 12 + ...................∞(a) 1 + √2(b) 2 + √5
19) The lines 3x + 4y + 10= 0 and3x + 4y + 10= 0 are _______(a) Parallel(b) Perpendicular to each other(c) Bisect each other(d) Concide with each other.
20) The value of sqrt[6 + sqrt(6 + sqrt( 6+........∞))]is :(a) -3(b) 2(c) 3(d) 4
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