Question

5 + 1 √5 - 1 If a = and b = √5 - 1 5 + 1 , find the value of (Va + V6 )​

Answer 1

Answer:

Here ab=1

& (a+b)=5−15+1+5+15−1

⇒(a+b)=4(5+1)2+(5−1)2

=45+1+25+5+1−25

⇒(a+b)=3

(a2+b2)=(a+b)2−2ab

=9−2=7

∴a2+b2−aba2+b2+ab=7−17+1=

I hope it help for you

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Answer 2

Answer:

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