1
IIT-JEE 1979
MCQ (Single Correct Answer)
+2
-0.5
Let a > 0, b > 0 and c > 0. Then the roots of the equation $$a{x^2} + bx + c = 0$$
A
are real and negative
B
have negative real parts
C
both (a) and (b)
D
none of these
2
IIT-JEE 1979
MCQ (Single Correct Answer)
+2
-0.5
The equation x + 2y + 2z = 1 and 2x + 4y + 4z = 9 have
A
only one solution
B
only two solution
C
Infinite number of solutions
D
None of these.
JEE Advanced Subjects