Q)
(chatquestion)...Let a, b, c be non-zero real numbers such that
1
2
(1+cos x)(ax + bx +c) dx = | (1+ cos x)(ax +bx+c) dx.
2
Then the quadratic equation ax- +bx+c = 0 has
(1981- 2 Мarks)
(b) at least one root in (0, 2)
(d) two imaginary roots
%3D
(a) no root in (0, 2)
(c) a double root in (0, 2)
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