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Q221 MCQ CUET-PG COMPUTER SCIENCE (MCA) Hard 4 Marks 2023 Shift-2

Discrete Mathematics → Functions

If \alpha and \beta are the roots of a quadratic equation x^{2}+\alpha x+\beta=0 where \beta \ne 0, then what is the value of \alpha+\beta?

Choose One:

A) 3

B) 4

C) -1

D) -3

Correct Answer:
Explanation:

Q222 MCQ CUET-PG COMPUTER SCIENCE (MCA) Easy 4 Marks 2023 Shift-2

Discrete Mathematics → Functions

The joint equation of the straight line x+y=1 and x-y=4 is

Choose One:

A) x^{2}-y^{2}=-4

B) x^{2}-y^{2}=4

C) (x+y-1)(x-y-4)=0

D) (x+y+1)(x-y+4)=0

Correct Answer:
Explanation:

Q223 MCQ CUET-PG COMPUTER SCIENCE (MCA) Hard 4 Marks 2023 Shift-2

Discrete Mathematics → Functions

A beam is supported at its ends by supporters which are 12 meters apart. Since the load is concentrated at its centre, there is a deflection of 3 cm at the centre and the deflected beam is in the shape of a parabola. How far from the centre is the deflection 1 cm?

Choose One:

A) 2\sqrt{6} m

B) 2\sqrt{3} m

C) 2\sqrt{8} m

D) 2\sqrt{5} m

Correct Answer:
Explanation:

Q224 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2023 Shift-2

Discrete Mathematics → Functions

The number of common tangents that can be drawn to the circle x^{2}+y^{2}-4x-6y-3=0 and x^{2}+y^{2}+2x+2y+1=0 is

Choose One:

A) One

B) Two

C) Three

D) Four

Correct Answer:
Explanation:

Q225 MCQ CUET-PG COMPUTER SCIENCE (MCA) Medium 4 Marks 2023 Shift-2

Discrete Mathematics → Functions

The area of region bounded by the curve y^{2}=x, the y-axis and between y=2 and y=4 is

Choose One:

A) 52/3 sq. units

B) 54/3 sq. units

C) 56/3 sq. units

D) 58/3 sq. units

Correct Answer:
Explanation:

1
2
3
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43
44
45
46
47
.....
93
94
95