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    Imaginary number and fraction

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    a) Find the following values using the imaginary unit i :

    i) 4* (-1)^1/2

    11) 9x^2 +18 = 0

    iii) ( 3 + 4i )( 2 + 5i )

    b) George's age is three -fourths of Angel' s age. In 5 years George's age will be 7/9 Angel's age.
    how old is George now ?

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    Solution Summary

    The solution provides examples of applications of imaginary numbers. It also shows how to set up and solve the equation with fractions to solve the word problem.