express the following in the from of a+bi. 2+3i/2-i
Answers
Answered by
5
Step-by-step explanation:
given that 2+3i/2-i (multiply and divide with 2+i)
=(2+3i)(2+i)/(2-i)(2+i)
=(2+3i)(2+i)/4-i^2. [(a+b)(a-b)=a^2-b^2]
=4+2i+6i+3i^2/4-i^2 (put i^2=-1)
=4+8i-3/4-(-1)
=1+8i/5
=(1/5)+(8/5)i
so here a=(1/5) and b=(8/5)
thanks
Answered by
3
here's your answer
Attachments:
joshiparesh197:
bro your answer is wrong
Similar questions