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bezimeni [28]
2 years ago
12

If a polynomial function f(x) has roots 4 – 13i and 5, what must be a factor of f(x)?

Mathematics
1 answer:
Morgarella [4.7K]2 years ago
7 0

The factor of f(x) is (x-(4-13i))

If a polynomial function f(x) has roots 4 – 13i and 5

One of the complex roots is 4-13i

If we have one complex root then there should be one more complex root.

<h3>What is the complex root?</h3>

complex roots come in pairs like (a+ib) and  (a-ib)

so another complex root for 4-13i  is 4+13i

If 'a' is a root then the factor is (x-a)

4+13i is a root

So the factor is (x-(4-13i))

Read more on Brainly.com -

brainly.com/question/1459677

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3 years ago
the Length, breadth and height of a wall is 5m,30cm and 3 m how many bricks of dimensions 20cm ×10 cm× 7.5 cm are required to bu
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Answer:

<h2>3000 pcs</h2>

Step-by-step explanation:

given:

the Length, breadth and height of a wall is 5m,30cm and 3 m

find:

how many bricks of dimensions 20cm ×10 cm× 7.5 cm are required to build the wall​

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vol of the wall = 5 x 3 x 0.30= 4.5 m³

vol per brick = 0.20 x 0.10 x 0.075 = 0.0015 m³

number of bricks =  <u> wall volume </u>

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6 0
3 years ago
Find the value of x if B is between A and C, AB = 4x – 9, BC = 3x + 5 and AC = 17.
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4 years ago
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Answer:

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Answer:

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