Use the given vectors to find the indicated expression.v = -3i - 5j - 3k, w = -5i + 3j - 4k, u = 4i - 5j - 2kFind u ? (v × w).
A. 55
B. 169
C. -214
D. 73
Answer: B
Mathematics
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Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(x) = x2 - 3 on [-3, 7] divided into 5 subintervals
A. 45
B. 
C. 9
D. 12
Mathematics
Solve the problem.If v = -2i - 4j + k and u = 2i - 5j + 5k, find a vector perpendicular to both v and u.
A. 20i + 27j + 19k B. 7i + 3j + 26k C. -15i + 12j + 18k D. -7i - 3j + 3k
Mathematics
Find the indicated angle.Find the complement of 106°.
A. 16° B. 74° C. 106° D. not possible
Mathematics
Determine how many of the first 5 statements in the sequence obtainable from the given statement are true.3n < n3
A. 1 B. 2 C. 4 D. 5
Mathematics