Question

8 simplify by rationalizing the denominator 1/3-√8 - 1/√8-√7 + 1/7-√6 - 1/√6-√5 + 1/√5-2​

Answer 1

I am writing from the next step. See:-

3+ root 8 - ( root 8+ root 7) +

root 7+ root 6 - ( root 6- root 5) + root 5 + 2

= 3+ root 8- root 8 - root 7 +

root 7+ root 6- root 6- root 5+

root 5+ 2

Then, root 8, root 7, root 6, root 5

will be cited and remains only 3 and 2

Then, 3+2=5

So the answer is 5

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