3 years ago

Please help.. tysm if you do

Mathematics

1 answer:

iris [78.8K]3 years ago

4 0

Answer:

the answer is option A one graph

and I think or am sure it is correct ans.

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If neither a nor b are equal to zero, which answer most accurately describes the product of (a + bi)(a - bi)?

Scrat [10]

Answer: the correct option is

(D) The imaginary part is zero.

Step-by-step explanation: Given that neither a nor b are equal to zero.

We are to select the correct statement that accurately describes the following product :

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We will be using the following formula :

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From product (i), we get

$P\\\\=(a+bi)(a-bi)\\\\=a^2-(bi)^2\\\\=a^2-b^2i^2\\\\=a^2-b^2\times (-1)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[\textup{since }i^2=-1]\\\\=a^2+b^2.$

So, there is no imaginary part in the given product.

Thus, the correct option is

(D) The imaginary part is zero.

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3 years ago

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Likurg_2 [28]

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Step-by-step explanation:

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2 years ago

The base are of a cylinder is the quotient of its volume and its height true or false

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