Write the expression in the standard form a + bi.(4 + 3i)(4 - 3i)
A. 7
B. 25
C. 16 - 9i2
D. 16 - 9i
Answer: B
Mathematics
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Find the curvature of the curve r(t).r(t) = (7 + 7 cos 6t) i - (1 + 7 sin 6t)j + 9k
A. ? = 
B. ? = 
C. ? = 7
D. ? = 
Mathematics
Provide an appropriate response. Write the equation in standard order and identify the values that represent a, b, and c: 2x2 = Bx + r2
A. 2x2 - Bx - r2 = 0; a = 2, b = 1, c = - r2 B. 2x2 - Bx - r2 ; a = 2, b = B, c = - r2 C. 2x2 - Bx - r2 = 0; a = 2x2, b = Bx, c = - r2 D. 2x2 - Bx - r2 = 0; a = 2, b = -B, c = - r2
Mathematics
Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Mathematics
Find the smallest value of N that will make the inequality hold for all n > N.
< 10-2
A. 731 B. 737 C. 733 D. 750
Mathematics