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rewona [7]
2 years ago
12

If a and b are the zeros of the quadratic polynomial 4x2+4x+1, find the value of a/b+b/a?

Mathematics
1 answer:
kow [346]2 years ago
7 0

Answer:

2

Step-by-step explanation:

First you need to factor your quadratic equation. You'll get (2x+1)(2x+1). Your two zeroes will be -1/2 and -1/2 with one being a, the other b. So then

a/b = (-1/2)/(-1/2)

and

b/a = (-1/2)/(-1/2)

Both reduce to 1. So a/b + b/a is 1+1=2

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Answer:

1. sum of term = 465

2. nth term of the AP = 30n - 10

Step-by-step explanation:

1. The sum of all natural number from 1 to 30 can be computed as follows. The first term a = 1 and the common difference d = 1 . Therefore

sum of term = n/2(a + l)

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n = number of term

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The first term which is a is equals to 20. The common difference is 50 - 20 or 80 - 50 = 30. Therefore;

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nth term of an AP = 20 + (n - 1)30

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The nth term  formula can be used to find the next term progressively.  where n = number of term

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The solution set of the inequality 2x − y > 2 consists of all the points __ ? the line __ ?
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Answer:

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Step-by-step explanation:

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<u>Correct option is:</u>

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