1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Difference between the corresponding roots of $${x^2} + ax + b = 0$$ and $${x^2} + bx + a = 0$$ is same and $$a \ne b,$$ then
A
$$a + b + 4 = 0$$
B
$$a + b - 4 = 0$$
C
$$a - b - 4 = 0$$
D
$$a - b + 4 = 0$$
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
If $$p$$ and $$q$$ are the roots of the equation $${x^2} + px + q = 0,$$ then
A
$$p = 1,\,\,q = - 2$$
B
$$p = 0,\,\,q = 1$$
C
$$p = - 2,\,\,q = 0$$
D
$$p = - 2,\,\,q = 1$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
If $$a,\,b,\,c$$ are distinct $$ + ve$$ real numbers and $${a^2} + {b^2} + {c^2} = 1$$ then $$ab + bc + ca$$ is
A
less than 1
B
equal to 1
C
greater than 1
D
any real no.
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