Limits – 2 MCQ’s

Electronics & Communication Engineering MATLAB

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Limits – 2″.

1. What will be the output of the following code?

sym x; limit(ans^2\sin(ans),Inf)

a) 0
b) Error
c) Nan
d) Cannot be determined

2. The condition for removal discontinuity is ____________
a) Left hand limit = right hand limit ≠ function value
b) Left hand limit ≠ right hand limit = function value
c) Right hand limit ≠ left hand limit = function value
d) Left hand limit ≠ right hand limit ≠ function value

3. What will be the output of the following code?

syms x;limit('(sin(x)/x)',x,Inf,'left')

a) 0
b) Nan
c) Inf
d) 1

4. Negative limiting values cannot be applied to logarithmic functions in MATLAB.
a) True
b) False

5. Can we perform infinite series summation in MATLAB?
a) Yes
b) No
c) Cannot be determined
d) Sometimes

6. To do double limits, we can use __________
a) limit(limit())
b) limit( multiple inputs)
c) cannot be done in MATLAB
d) lim()

7. What is the output of the following code?

syms x y;limit(y*x,1,x,'left','left')

a) Error
b) Error due to symbolic argument y
c) Error due to multiple inputs
d) y

8. The result of the following code?

syms x;limit(sin(x)/x,Inf,’right’)

a) Error due to symbolic argument
b) Error due to direction of approach of limiting value
c) 1
d) 0

9. We cannot calculate continuity at infinity in MATLAB.
a) True
b) False

10. What is the output of the following code?

syms n;limit((1+1/n)^n,Inf,’right’)

a) Nan
b) Inf
c) Error
d) e(1)

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