Math, asked by karsri200645, 3 months ago

express (1+2i)³ In a+ib form

Answers

Answered by madhulika7

2

Step-by-step explanation:

(1+2i)^3

= 1+8i^3 - 6i( 1+2i)

= 1+8i - 6i -12

= -11 + 2i.

Previous Question

Next Question

Similar questions

Social Sciences, 1 month ago

what are the exceptions in power sharing arrangement between states government and centre in india?

English, 1 month ago

what is meaning of richa in history?

Math, 1 month ago

Mr. Ealy works at a shoe store. Mr. Ealy's hourly pay is $14, and he also gets 8% commission on sales. He worked 80 hours over the last pay period and had $3,450 in shoe sales. How much was his total income consisting of wages and pay over the last pay period? A. $1,551.25 B. $1,209.60 C. $1,810 D. $1,396...

Geography, 3 months ago

why do we celebrate Halloween ...

Biology, 3 months ago

which organ of our body is affected during infection by ascaris ?

Geography, 8 months ago

निम्नांकित चार विकल्पों में से सही विकल्प चुनिए : (i) केंद्रीय प्रवृत्ति का जो माप चरम मूल्यों से प्रभावित नहीं होता है वह है : (क) माध्य (ख) माध्य तथा बहुलक (ग) बहुलक (घ) माध्यिका (ii) केंद्रीय प्रवृत्ति का वह माप जो किसी वितरण के उभरे भाग से हमेशा संपाती होगा वह है : (क) माध्यिका (ख) माध्य तथा बहुलक (ग) माध्य (घ) बहुलक (iii) ऋणात्मक सहसंबंध वाले प्रकीर्ण अंकन में अंकित मानों के वितरण...

Math, 8 months ago

Factorise the following (p-q)^2 – 6(p-q) -16...

Math, 8 months ago

the net of a cuboid is given in the adjoining . draw a cuboid and write its dimensions.