Question

simplifly the product (4√3+3√2) (4√3-3√2)

Answer 1

it is (a-b)(a+b)
(4√3+3√2)(4√3-3√2)
4√3*4√3-3√2*3√2
16*3-3*2
48-9
41

Answer 2

We know that (a+b)(a-b) = a^2-b^2

a = 4root3, b=3 root3.

 = (4root3)^2 - (3root2)^2

= 48 - 18

= 30.

Hope this helps!