Math, asked by rubabsiddiqui78, 6 months ago

Q: Write the expression as a complex number in standard form? (a) 2i(3+i)(9+i)

Answers

Answered by dasj19126

1

Answer:

2i^3 + 24i^2 +54i

Step-by-step explanation:

2i(3+i)(9+i)

= 2i(27+3i+9i+i^2)

= 2i(27+12i+i^2)

= 54i+24i^2+2i^3

= 2i^3 + 24i^2 + 54i

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