Let $z _ { 1 } = 4 \left( \cos \frac { \pi } { 6 } + i \sin \frac { \pi } { 6 } \right)$

question 114

Multiple Choice

Let $z _ { 1 } = 4 \left( \cos \frac { \pi } { 6 } + i \sin \frac { \pi } { 6 } \right)$ and $z _ { 2 } = 5 \left( \cos \frac { \pi } { 3 } + i \sin \frac { \pi } { 3 } \right)$ ) Find $Z _ { 1 } Z _ { 2 }$

• A) \(20 + i\)
• B) \(20 - 20 i\)
• C) \(20\)
• D) \(0 - 20 i\)
• E)none

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Definitions:

Blotting Buffer

A solution used in molecular biology techniques to facilitate the transfer of DNA, RNA, or proteins onto a membrane for detection and analysis.

UV Light

Ultraviolet light, which is a type of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, known for its ability to induce skin damage and other biological effects.

Radiographically Labeled

refers to substances that have been tagged with radioisotopes for tracking or imaging purposes using radiographic techniques.

Blotting Buffer

A solution used in molecular biology techniques to transfer proteins, DNA, or RNA onto a carrier so they can be detected or analyzed.