1
AIEEE 2004
+4
-1
Let two numbers have arithmetic mean 9 and geometric mean 4. Then these numbers are the roots of the quadratic equation
A
$${x^2} - 18x - 16 = 0$$
B
$${x^2} - 18x + 16 = 0$$
C
$${x^2} + 18x - 16 = 0$$
D
$${x^2} + 18x + 16 = 0$$
2
AIEEE 2004
+4
-1
If $$\left( {1 - p} \right)$$ is a root of quadratic equation $${x^2} + px + \left( {1 - p} \right) = 0$$ then its root are
A
$$- 1,2$$
B
$$- 1,1$$
C
$$0,-1$$
D
$$0,1$$
3
AIEEE 2004
+4
-1
If one root of the equation $${x^2} + px + 12 = 0$$ is 4, while the equation $${x^2} + px + q = 0$$ has equal roots,
then the value of $$'q'$$ is
A
4
B
12
C
3
D
$${{49} \over 4}$$
4
AIEEE 2003
+4
-1
If the sum of the roots of the quadratic equation $$a{x^2} + bx + c = 0$$ is equal to the sum of the squares of their reciprocals, then $${a \over c},\,{b \over a}$$ and $${c \over b}$$ are in
A
Arithmetic - Geometric Progression
B
Arithmetic Progression
C
Geometric Progression
D
Harmonic Progression
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