Multiply. Write your answer in a + bi form.(4 + 2i)(5 - 7i)
A. 34 + 18i
B. 34 - 18i
C. 6 + 38i
D. -14i2 - 18i + 20
Answer: B
Mathematics
You might also like to view...
Use power series operations to find the Taylor series at x = 0 for the given function.x2 tan-1(3x)
A.
B.
C.
D.
Mathematics
Find the focus and directrix of the parabola.x = 6y2
A. , y = -
B. , x = -
C. , x =
D. , x = -
Mathematics
List the outcomes of the sample space.A box contains 10 red cards numbered 1 through 10. List the sample space of picking one card from the box.
A. {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} B. {100} C. {10} D. {1, 10}
Mathematics
Find the sum.
A. 3.938 B. 1.969 C. 58.969 D. 1.313
Mathematics