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r-ruslan [8.4K]
2 years ago
14

Please help me with #1

Mathematics
1 answer:
Natali5045456 [20]2 years ago
3 0

Answer:

N-K = 6-3 which equals 3.

Step-by-step explanation:

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Setler79 [48]

Answer:

Therefore values of a and b are

a=3\ and\ b = 2

Step-by-step explanation:

Rewrite x^{2}-6x+7=0 in the form

(x-a)^{2}=b

where a and b are integers,

To Find:

a = ?

b = ?

Solution:

x^{2}-6x+7=0 ..............Given

Which can be written as

x^{2}-6x=-7

(\frac{1}{2} coefficient\ of\ x)^{2}=(\frac{1}{2}\times -6)^{2}=9

Adding half coefficient of X square on both the side we get

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By identity we have (A - B)² =A² - 2AB + B²

Therefore,

x^{2}-6x+9=x^{2}-2\times 3\times x+3^{2}=(x-3)^{2}

Substituting in equation 1 we get

(x-3)^{2}=2

Which is in the form of

(x-a)^{2}=b

On comparing we get

a = 3 and b = 2

Therefore values of a and b are

a=3\ and\ b = 2

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3 years ago
What is the exponent of x in in the expression -4x^3y^2 + 6
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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2 years ago
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