Math, asked by atatkare, 6 months ago

Express in the standard form (-2 +5i)^3

Answers

Answered by Anonymous
0

Answer:

(1 + i) (1 + 2i)

Let us simplify and express in the standard form of (a + ib),

 (1 + i) (1 + 2i)

= (1+i)(1+2i)

= 1(1+2i)+i(1+2i)

= 1+2i+i+2i2

= 1+3i+2(-1) [since, i2 = -1] = 1+3i-2

= -1+3i

∴ The values of a, b are -1, 3

Step-by-step explanation:

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