Mathematical Functions and Expressions set 12

Que.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
Que.To do double limits, we can use __________
a. limit(limit())
b. limit( multiple inputs)
c. cannot be done in MATLAB
d. lim()
Que.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
Que.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)
Que.We cannot calculate continuity at infinity in MATLAB.
a. True
b. False
c. May be True or False
d. Can’t say
Que.We can generate the summation of a series, formed with a character, using ________
a. symsum
b. sum
c. symssum
d. int
Que.If the result of our summation is Infinity, what will MATLAB show?
a. Infinity
b. Nan
c. Inf
d. Error
Que.What will be the output of the following code?
sin(symsum(k^2,1,Inf));

a. Nan
b. Inf
c. Error
d. Output is suppressed
Que.How does MATLAB get the symbolic character in the function, if it is not mentioned in symsum() command?
a. It cannot
b. It uses symvar()
c. It uses symsvar()
d. It uses symbvar()
Que.The sum() command cannot do ____________
a. Infinite summation
b. Numeric summation
c. Long summation
d. signed summation