1
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The equation of lowest degree with rational coefficients having roots $\sqrt{3}+\sqrt{2} i$ and $\sqrt{3}-\sqrt{2}$ is

A

$\left(x^4-2 x^2+25\right)\left(x^4-10 x^2+1\right)=0$

B

$\left(x^2-2 \sqrt{3} x+5\right)\left(x^2-2 \sqrt{3} x+1\right)=0$

C

$\left(x^4-2 x^2+25\right)\left(x^4+10 x^2+1\right)=0$

D

$\left(x^4-10 x^2+1\right)\left(x^4+2 x^2+25\right)=0$

2
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The number of non-real roots of the equation $x^{10}-3 x^8+5 x^6-5 x^4+3 x^2-1=0$ is

A

8

B

6

C

4

D

2

3
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Let $N$ be the set of positive integers. The number of distinct triplets $(x, y, z)$ satisfying $x, y, z \in N, x

A

5

B

7

C

6

D

8

4
TS EAMCET 2022 (Online) 19th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

A question paper has 3 parts and each part contains 4 questions. The number of different ways in which a candidate can answer 8 questions choosing at least two from each part is

A

396

B

204

C

224

D

132

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