1
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $$S=\left\{m \in R: x^2-2(1+3 m) x+7(3+2 m)=0\right.$$ has distinct roots}, then the number of elements in $$S$$ is

A
2
B
3
C
4
D
infinite
2
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The sum of the real roots of the equation $$x^4-2 x^3+x-380=0$$ is

A
$$-$$1
B
0
C
1
D
2
3
AP EAPCET 2022 - 5th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

If one root of the cubic equation $$x^3+36=7 x^2$$ is double of another, then the number of negative roots are

A
1
B
2
C
3
D
0
4
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $$f(f(0))=0$$, where $$f(x)=x^2+a x+b, b \neq 0$$, then $$a+b=$$

A
2
B
1
C
$$-$$1
D
$$-$$2
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