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Write (1+2i) /(2-i) in form x+iy

(1+2i) (2+i)/(2+i)(2-i) = (2-2+4i+i)/5 = 5i/5 = i

RM
2842 Views

How would you solve the inequality x^2-2x-8 >= 0?

We are looking for all the x values for which this equation holds. We know how to solve quadratic equations without the inequalities, and that is the first step here! So let's forget about the greater tha...

KG
Answered by Kirsty G. Maths tutor
19261 Views

Intergrate 8x^3 + 6x^(1/2) -5 with respect to x

2x3 + 4x3/2 - 5x + cGeneral rule for integration is increase the power by 1 then divide by the new powerAlways remember +C !!!!!!!

TM
Answered by Tia-Marie M. Maths tutor
3444 Views

Describe prions and their function, give example of prion disease

Prions are certain proteins naturally occuring in organisms that have assumed wrong conformation during folding. This misfolded structure is highly infectious - if it comes into contact with healthy versi...

KN
Answered by Klára N. Biology tutor
5424 Views

How to answer elasticity questions

Answering Elasticity questions: 
Using technique DEED as for all other questionsD- define E- explain E- example D- diagram<...

AS
Answered by Amber S. Economics tutor
2279 Views

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