Rationalise 10/√7-√2 ​

Answers

Answer 1
Solution:

[tex] \frac{10}{ \sqrt{7} - \sqrt{2} } \\ = \frac{10}{ \sqrt{7} - \sqrt{2} } \times \frac{ \sqrt{7} + \sqrt{2} }{ \sqrt{7} + \sqrt{2} } \\ = \frac{10( \sqrt{7} + \sqrt{2}) }{( \sqrt{7} - \sqrt{2} )( \sqrt{7} + \sqrt{2} )} \\ = \frac{10 \sqrt{7} + 10 \sqrt{2} }{( { \sqrt{7} )}^{2} - ( \sqrt{2} ) ^{2} } \\ = \frac{10( \sqrt{7} + \sqrt{2} )}{7 - 2} \\ = \frac{10( \sqrt{7} + \sqrt{2} ) }{5} \\ = 2( \sqrt{7} + \sqrt{2} ) \\ = 2 \sqrt{7} + 2 \sqrt{2} [/tex]

Answer 2

[tex]\frac{10}{\sqrt{7} } -\sqrt{2} =\frac{10\sqrt{7} -7\sqrt{2} }{7}[/tex]

( Decimal: [tex]2.36543...[/tex])

Steps:

1: Convert element to fraction.

[tex]\sqrt{2} =\frac{\sqrt{2}\sqrt{7} }{\sqrt{7} }[/tex]

[tex]=\frac{10}{\sqrt{7} } -\frac{\sqrt{2} \sqrt{7} }{\sqrt{7} }[/tex]

2: Since denominator are equal, combine the fractions.

[tex]\frac{a}{c}[/tex] ± [tex]\frac{b}{c} =\frac{a+b}{c}[/tex]

[tex]=\frac{10-\sqrt{2} \sqrt{7} }{\sqrt{7} }[/tex]

-----------------------

[tex]\sqrt{2} \sqrt{7} =\sqrt{14}[/tex]

[tex]=\frac{10-\sqrt{14} }{\sqrt{7} }[/tex]

Rationalize [tex]\frac{10-\sqrt{14} }{\sqrt{7} }[/tex] : [tex]\frac{10\sqrt{7} -7\sqrt{2} }{7}[/tex]

[tex]=\frac{10\sqrt{7}-7\sqrt{2} }7}[/tex]


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Step-by-step explanation:

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Answer:

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if this helps your welcome

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no solution,

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     -43         -43

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B

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look at the photo............

9514 1404 393

Answer:

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Answers

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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Answers

Answer:

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Answers

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hope it helps...................

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Step-by-step explanation:

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Answers

9514 1404 393

Answer:

  B, C, E

Step-by-step explanation:

(a) <does not refer to multiplication> FALSE

(b) Rational expressions are closed under multiplication.TRUE

(c) The commutative property states that changing the order of two or more factors does not change the value of the product. TRUE

(d) The associative property states that the way in which two or more factors are grouped in a product changes the value of the product. FALSE, the product will be unchanged.

(e) The properties of rational expression multiplication are parallel to the properties of rational number multiplication. TRUE

Answer:

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Step-by-step explanation:

Here is proof! Hope you pass<33

spot the error and rewrite pllz I need now


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Answers

Answer:

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Step-by-step explanation:

Hope it is helpful.....

Answer:

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Answers

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Step-by-step explanation:

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