1
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$f(x)=x^2-2(4 k-1) x+g(k)>0, \forall x \in R$ and for $k \in(a, b)$. If $g(k)=15 k^2-2 k-7$, then

A

$g(K)$ attains its maximum at the mid-point of $(a, b)$

B

$g(K)$ attains its minimum at two points in $(a, b)$

C

$g(K)$ attains its both maximum and minimum in $(a, b)$

D

$g(K)$ attain no maximum and no minimum in $(a, b)$

2
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If local maximum of $f(x)=\frac{a x+b}{(x-1)(x-4)}$ exists at $(2,-1)$, then $a+b=$

A

0

B

-1

C

1

D

2

3
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $1+2 i$ is a root of the equation $x^4-3 x^3+8 x^2-7 x+5=0$, then sum of the squares of the other roots is

A

0

B

$2+i$

C

$-4-4 i$

D

$8 / 3$

4
TG EAPCET 2025 (Online) 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $\alpha, \beta, \gamma$ are the roots of the equation $x^3+\frac{a}{2} x+b=0$ and $(\alpha-\beta)(\alpha-\gamma),(\beta-\alpha)(\beta-\gamma),(\gamma-\alpha),(\gamma-\beta)$ are the roots of the equation

$(y+a)^3+K(y+a)^2+L=0$, then $\frac{L}{K}=$

A

$\frac{32 b^2}{a}$

B

$\frac{16 a^2}{b}$

C

$\frac{18 b^2}{a}$

D

$\frac{12 a^2}{b}$

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