Alg6.1.7

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Find the value of A and B from 2(i^{4})+6(i^{3})=A+iB\,

2((i^{2})^{2})+6(i^{2})(i)=A+iB\,

2((-1)^{2})+6(-1)(i)=A+iB\,

2(1)-6i=A+iB\,

2-6i=A+iB\,

Comparing the values of constant and coefficient of i in the above equation we get A=2,B=-6\,

Algebra

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