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[" 45.If a,b,c be non-zero real numbers ...

[" 45.If a,b,c be non-zero real numbers such that "int^(1)(1+cos^(2)x)(ax^(2)+bx+c)dx=int^(2)(1+cos^(2)x)(ax^(2)+bx+c)dx],[" Then the equation "ax^(2)+bx+c=0" has "],[[" (a) "n0" root is "(0,2)," (b) at least one root in "(0,2)," (c) a double roots in "(0,2)," (d) at least one root in "(0,1)]]

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