The rectangular coordinates of a point are given. Find polar coordinates for the point.(-1, 0.9) Round the polar coordinates to two decimal places, with ? in radians.
A. (1.35, 0.84)
B. (-1.35, 0.84)
C. (1.35, 2.41)
D. (1.35, -0.84)
Answer: C
Mathematics
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Find the triple scalar product (u x v) ? w of the given vectors.u = 4i + 2j - k; v = 8i + 8j - 7k; w = 10i + 3j - 6k
A. -96 B. -8 C. -105 D. -144
Mathematics
Find the product of the polynomials.(x + 3)(x2 - x + 8)
A. x3 + 24 B. x3 + 4x2 + 11x + 24 C. x3 + 2x2 + 5x + 24 D. x3 + 2x2 + 24
Mathematics
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 4
B. 
; 4
C. 
; 4
D. 
; 4
Mathematics
Simplify by reducing the index of the radical.
A. 3
B. 
C. 
D. 
Mathematics