Mathematical Functions and Expressions set 13

Que.To calculate the sum of only absolute variables in a series, we use _________
a. sum(abs())
b. abssum()
c. sumabs()
d. abs(sum())
Que.What is the output of the following code?
sumsqr([1 2; NaN 4])

a. 21
b. Nan
c. Error
d. Inf
Que.What is the output of the following code?
sumsqr([Inf Inf; Inf Inf])

a. Inf
b. Nan
c. 0
d. Error
Que.What is the output of the following code?
sumabs([Inf Inf; Inf Inf])

a. Inf
b. 0
c. Nan
d. Error
Que.To find the absolute value of the sum of squares of numbers in a series, we use_________
a. abs(sumsqr())
b. sumsqr()
c. sumsqr(abs())
d. abs(sqrsum())
Que.We can find the mean value of a series (upto n) using _________
a. meanabs()
b. mean()
c. sumabs()
d. sum()/n
Que.We can find the summation of an A.G.P. series using __________
a. sum()
b. symsum()
c. Depends on the series
d. Cannot be done
Que.We need to define a function separately to find the factorial of a number.
a. True
b. False
c. May be True or False
d. Can’t say
Que.The function to evaluate the following series is
1²+2²+3²+4²+5²+…83²

a. sqr()
b. sqrsum()
c. sumsqr()
d. sumsqr[]
Que.What is the output of the following code?
mean[1:10]

a. Syntactical Error
b. 4.5
c. 5.5
d. Parse Error
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