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jenyasd209 [6]
3 years ago
5

Write (3i - 2/3) - (6i-5) as a complex number in standard form. I have no idea what im doing to be honest -_-. Give me pointers

or hints or anything to help me get this done please thanks. :)
Mathematics
2 answers:
allochka39001 [22]3 years ago
5 0
\bf \left( 3i-\cfrac{2}{3} \right)-(6i-5)\implies 3i-\cfrac{2}{3}-6i+5
\\\\\\
-6i+5-\cfrac{2}{3}\implies 
\begin{array}{llll}
\cfrac{13}{3}&-&6i\\
\uparrow &&\uparrow \\
a&-&bi
\end{array}

standard form for a complex expression, I assume it means the a + bi form, nothing else

tangare [24]3 years ago
4 0

Answer:

so, the standard form is:  (\dfrac{13}{3})+i(-3)

Step-by-step explanation

The standard form of a complex number is given in the form of:

a+i b where a,b belongs to real numbers.

we are given the expression in complex number as:

=(3i-\dfrac{2}{3})-(6i-5)

on combining the like terms i.e. on combining the real and imaginary part of the complex number we get,

=(-\dfrac{2}{3}+5)+i(3-6)\\\\=(\dfrac{13}{3})+i(-3)

Hence, on comparing our number with the standard form of the complex number we get

a=\dfrac{13}{3},b=-3



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