Question

a+b的平方乘以a-b的平方（3—根号3）的二分之一次方 乘以（3+根号3）的二分之一次方

Answer 1

(a+b)²×(a-b)²

=[(a+b)(a-b)]²

=(a²-b²)²

=a^4-2a²b²+b^4

[(3-√3)^(1/2)]×[(3+√3)^(1/2)]

=[(3-√3)×(3+√3)]^(1/2)

=[3²-(√3)²]^(1/2)

=6^(1/2)

=√6