Question

(2√3-3√2)(2√3+3√2) is a rational or irrational no.

Answer 1

Answer:

now anser is -6, rational number.

Step-by-step explanation:

$(2 \sqrt{3} - 3 \sqrt{2} ) (2 \sqrt{3} + 3 \sqrt{2} )= (2 \sqrt{3})^{2} - (3 \sqrt{2} )^{2} \\ = (4 \times 3) - (9 \times 2) \\ = 12 - 18 \\ = - 6$