20. Which of the following demonstrates the commutative property of multiplication? A: (8+6i) (4 + 2i) = (4 + 2i)(8 +6i)
B: (2+8i) (2 – 8i) = 20
C: (7-6i) (0+2i)=(7+2i)(0 - 6i)
D: (-5+3i)(-1-i)=(5- 3i)(1+i)

Which equation represents the partial sum of the geometric series?

Abc will undergo two transformations to give aa'b'c' which pair of transformations will give a different image of aabc if the order of the transformations is reversed? a. a rotation 90' counterclockwise about the origin followed by a reflection across the y-axis b a translation 5 units down followed by a translation 4 units to the right c. a reflection across the x-axis followed by a reflection across the y-axis a rotation 180'clockwise about the ongin followed by a reflection across the y-axis reset next 2 omentum all rights reserved o atk me anything o o e

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle