Solve the equation.65n2 + 45n = 0
A. 0
B. - 
, 0
C. 
, 0
D. 
, - 
Answer: B
Mathematics
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Find the curvature of the space curve.r(t) = -7i + (t + 4)j +(ln(cos t) + 9)k
A. ? = sec t B. ? = csc t C. ? = sin t D. ? = cos t
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 1
B. 
C. 
D. 
Mathematics
Perform the indicated operations.(3x2 - xy - y2) + (x2 + 7xy + 10y2)
A. 4x2 + 8xy + 11y2 B. 3x2 + 7xy + 10y2 C. 4x2 + 6xy + 9y2 D. 2x2 - 8xy - 11y2
Mathematics
Simplify the expression.
A. 12x
B. 
C. 
D. 6x
Mathematics