BSNL TTA Applied Mathematics MCQ

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Attempt Free BSNL TTA Applied Mathematics MCQ Here. Read The Important BSNL MCQ From Below.

1) D/dx(x2log x)

a. X(1+2log x)
b. X/(1+2log x)
c. X²(1+2 log x)
d. X²/(1+2 log x)
Ans. a

2) D/dx(tan-1x)

a. 1/1+x²
b. 1(1+x²)
c. -1/1+x²
d. -1(1+x²)
Ans. a

3) i3

a. I
b. -i
c. I³
d. I²
Ans. b

BSNL TTA Applied Mathematics MCQ

4) ∫secx tanx dx

a. Sinx
b. -cotx
c. Secx
d. Tanx
Ans. c

5) D/dx cosecx

a. -cosecx cotx
b. Tanx secx
c. -tanx secx
d. Cosecx cotx
Ans. a

6) Laplace of ebtcos at:

a. S+b/(s-b)²+a²
b. A/(s-a)²+b²
c. S-b/(s-b)²+a²
d. A+(s-b)²/a
Ans. c

7) D/dx logex

a. X
b. 1/x
c. X²
d. 1/x²
Ans. b

BSNL TTA Applied Mathematics MCQ

8) Find out the multiplication of complex numbers (2+3i) with its conjugate complex number.

a. 6
b. 5
c. 13
d. 2
Ans. c

9) Laplace transform of a impulse function is:

a. 1/s
b. 1/s²
c. S²+1
d. S²-1
Ans. a

10) Find out the distance between point (2,3) and (4,1)

a. 10
b. 16
c. 2√2
d. √2
Ans. c

11) The differential of 9x⁻⁶ is:

a. 9x⁻⁶
b. 54x⁻⁶
c. -54x⁻⁷
d. -9x⁻⁵
Ans. c

BSNL TTA Applied Mathematics MCQ

12) Laplace transform of e2t sin 4t

a. 4/(s-2)²-a²
b. 4/(s-2)²+a²
c. S-2/(s-2)²+a²
d. (s-2)²+a²/s-2
Ans. a

13) find out the sum of a complex numbers (2+3i) with its conjugate complex number.

a. 4
b. 3
c. 2
d. 5
Ans. a

14) The differential of tanx+1/tanx is

a. Tanx+cotx
b. Cosx+cosecx
c. Sec²x-cosec²x
d. Cosx+sec²x+sinx
Ans. c

BSNL TTA Applied Mathematics MCQ

15) ∫(1/x√x²-1)

a. Tan⁻¹x
b. Sec⁻¹x
c. Sin⁻¹x
d. Cos⁻¹ x
Ans. b

16) I61

a. 61
b. -i
c. I
d I⁻¹
Ans. c

17) ∫ cosec2x dx

a. -sinx
b. Sinx
c. Sec²x
d. -cotx
Ans. d

18) Which one is the Ellipse equation?

a. X²⁄a²+y²/b²=1
b. X²+y²=a²
c. X²⁄a²-y²/b²=1
d. Y²=4ax
Ans. a

BSNL TTA Applied Mathematics MCQ

19) ∫6 sinx dx

a. -6 cosx+c
b. 6 cosx+c
c. -6 cosecx+c
d. 6 cosecx+c
Ans. a

20) find out the standard equation of Parabola.

a. X²+y²=a²
b. Y²=4ax
c. X²⁄a²+y²/b²=1
d. X²⁄a²-y²/b²=1
Ans. b

21) Find out the distance of the point (5,-2) from the y-axis.

a. 5
b. -2
c. 3
d. 0
Ans. a

BSNL TTA Applied Mathematics MCQ

22) If (x+3i)=(4+yi) then value of x and y is:

a. X=3, y=3
b. X=4 ,y=3
c. X=y=4
d. Y=3,x=4
Ans. b

23) Laplace of e-5t

a. 1/s-5
b. S-5
c. 1/s+5
d. S+5
Ans. c

24) Find out the value of x if the point(x,3) has a distance of 5 from the origin point.

a. 3
b. ±9
c. ±4
d. ±16
Ans. c

25) Laplace transform of cosh at?

a. S/s²-a²
b. S²-a²/s
c. A/s²-a²
d. S²-a²/a
Ans. a

BSNL TTA Applied Mathematics MCQ