Question

Multiply : (2+root 5) ( 2-root 5)​

Answer 1

Answer:

We will use the Property- (a+b)( a-b)=a^2-b^2

2^2- root5^2

4-5

-1

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Answer 2

Answer:

30

Step-by-step explanation:

=(3root5)*(2root5)

=6*5

=30