Question

(3+ root 5)^2 (3- root 5)^2

Answer 1

Answer:

$apply formula of( a^2-b^2)=(a+b)(a-b)(3 root 5-2 root 3)(3 root 5+2 root 3)=(3 root 5)^2 - (2 root 3)^2=(9×5) - (4×3)=45-12=33$

Step-by-step explanation:

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