Question 3 Which of the following is a left Riemann sum approximation of cos (x²) dæwith n subintervals of equal length? k – 1 1 cos ( 2+ n k=1 6k 6. B CoS n n k=1 6 (k – 2+ (C cos k=1 6k cos ( 2+ 4): 6. D n n k=1

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Chapter2: Second-order Linear Odes
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I am having trouble on this practice question for my calculus class. I would appreciate a step-by-step explanation on the right answer and why it is the right answer. Thank You!

Question 3
Which of the following is a left Riemann sum approximation of
cos (x2) dæwithn subintervals of equal length?
Σ
k – 1
cos ( 2+
n
n
k=1
6k
6
B
CoS
n
n
k=1
6 (k –
cos ( 2+
n
n
D
6k
cos ( 2+
n
k=1
Transcribed Image Text:Question 3 Which of the following is a left Riemann sum approximation of cos (x2) dæwithn subintervals of equal length? Σ k – 1 cos ( 2+ n n k=1 6k 6 B CoS n n k=1 6 (k – cos ( 2+ n n D 6k cos ( 2+ n k=1
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