Question

simplify by rationalizing the denominator 7+3√5/7-3√5​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

7+3√5/7-3√5

=7+3√5/7-3√5×7+3√5/7+3√5

=7+3√5×(7+3√5)/7-3×5

=49+21√5+21√5+15/7-15

=64+42√5/-8

= -64-42√5/8

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