Question

(8) The product of 3√5 +2√3 and 3√5 -2√3 is​

Answer 1

Answer:

33

Step-by-step explanation:

Answer 2

Answer:

The answer is 33

Step-by-step explanation:

 $(3\sqrt 3+2\sqrt 3)(3\sqrt 3-2\sqrt 3)$

$=(3\sqrt 3)^2-(2\sqrt 3)^2$, Using $(a+b)(a-b)=a^2-b^2$

$=3^2(\sqrt 5)^2-2^2(\sqrt 3)^2$

$=9(5)-4(3)$

$=45-12=33$