46,717 views
23 votes
23 votes
What is 2/z+3\z^2

If z= -1/4

User Alexkrishnan
by
2.8k points

2 Answers

21 votes
21 votes

Answer:

40

Explanation:

Given :-

z = -1/4

Inputting the values :-

2/z + 3/z²

2/(-1/4) + 3/(-1/4)²

(2 x -4) + (3 x 16)

-8 + 48

= 40

Solution :-

40

User Gianluigi
by
3.4k points
22 votes
22 votes

Answer:

40

Explanation:


(2)/(z)+(3)/(z^2)


\textsf{if} \ z=-\frac14


\implies (2)/(-\frac14)+(3)/((-\frac14)^2)


\implies -(2)/(\frac14)+(3)/((1)/(16))


\implies -2 * 4+3 * 16


\implies -8+48


\implies 40

User Eric Elliott
by
2.7k points