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PLEASE HELP MATHS PROBLEM!!!

PLEASE HELP MATHS PROBLEM!!!-example-1
User Georoot
by
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2 Answers

2 votes

Explanation:


(5)/(1 - √(7) ) \\ multiply \: both \: by \: (1 + √(7) ) \\ (5(1 + √(7)) )/((1 - √(7))(1 + √(7)) ) \\ = \frac{5(1 + √(7))}{1 - { √(7) }^(2) } \\ = (5(1 + √(7)) )/(1 - 7) \\ = (5(1 + √(7)) )/( - 6) \\ = \frac { - 5}{ \: 6} \frac{(1 + √(7)) }{}

User Mark Moretto
by
8.1k points
5 votes

Just ask google ot will halp you better but i think its -48

User Thomas PEDOT
by
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