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kompoz [17]
2 years ago
8

Find the area of this shape giving brainliest please help

Mathematics
1 answer:
pogonyaev2 years ago
7 0
ANSWER: ⇒ 366.19cm²

I hope this helps you :)

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Prove that there is a positive integer that equals the sum of the positive integers not exceeding it. Is your proof constructive
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Answer:

Constructive Proof

Step-by-step explanation:

Let x be a positive integer

x must be equal to sum of all positive integers exceeding it

i.e.

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The property finite sum;

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So,

x = x(x + 1)/2 ------- Multiply both sides by 2

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2x = x² + x ------- subtract 2x from both sides

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So,

x = 0 or x - 1 = 0

x = 0 or x = 1 + 0

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But x ≠ 0

So, x = 1

The statement is only true for x = 1

This makes sense because 1 is the only positive integer not exceeding 1

1 = 1

It is a Constructive Proof

A proof is constructive when we find an element for which the statement is true.

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Step-by-step explanation:

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