Select the right expression for the following sum and prove that your statement is true for all natural numbers n.
?
?
A. ?
B. ?
C. ?
D. ?
E. none of the above
Answer: B
Mathematics
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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan
A. y = tan u; u = ? - 
; 
= sec2
B. y = tan u; u = ? - 
; 
= 
sec2
C. y = tan u; u = ? - 
; 
= 
sec
tan
D. y = tan u; u = ? - 
; 
= sec2
Mathematics
Find the number of terms in the arithmetic sequence.-7, -2, 3, . . . , 108
A. 24 B. 25 C. 22 D. 23
Mathematics
Find the equation of the line satisfying the given conditions, giving it in slope-intercept form if possible.Through (-5, -7), perpendicular to x = 5
A. y = 5 B. x = 5 C. y = -7 D. y = 7
Mathematics
Differentiate. 
What will be an ideal response?
Mathematics