Math, asked by MeghnaBhambri, 1 month ago

7+√5/7-√5 - 7-√5/7+√5 = a-7/11 √5

Answers

Answered by divyansh2016241

4

Answer:

√5b.

Step-by-step explanation:

Answered by pardhivkimidi

0

42

=> 7+√5/7-√5 - 7-√5/7+√5 = a-7/11√5

=> (7+√5)² - (7-√5)²/(7-√5)×(7+√5) = a-7/11√5

=> 4×7√5/49-5= a-7 /11√5

=> 4×7√5/44= a-7/11√5

=>7√5/11= a-7/11√5

=>35=a-7

[ a=42]

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