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ikadub [295]
3 years ago
15

Select the correct answer Which expression represents the series 1 + 5 + 25 + 125 + 6252

Mathematics
1 answer:
belka [17]3 years ago
7 0

Answer:

The expression is 5⁵-1 (=3124)

Step-by-step explanation:

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6/8 y=79

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What are the zeros of f(x) = x(x − 9)?
ollegr [7]

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x = 0 , x = 9

Step-by-step explanation:

to find the zeros let f(x) = 0 , that is

x(x - 9) = 0

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What is the conjugate? See image below! Please help asap
Stolb23 [73]

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Answer:

  • 2 +3i
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Step-by-step explanation:

The conjugate is found by changing the sign of the square root term.‡ (For this purpose, i = √-1.)

a) the sign of 3i is changed: 2 + 3i

b) the sign of sqrt(-5) is changed: 8 -sqrt(-5) = 8 -i√5

c) the sign of 2i is changed: 7 +2i

d) the sign of sqrt(7) is changed: 4 +√7

_____

‡ Actually, the conjugate of a binomial is formed by changing the sign <em>between</em> terms. The purpose is to allow the product of the binomial and its conjugate to be the difference of squares.

Conventionally, the conjugate of a complex number is the value with the sign of the imaginary part reversed. That is why (-2i+7)* = 7+2i.

4 0
2 years ago
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