Question

Answer 1

\(\left(2-\dfrac{2}{3}\right)\left(2-\dfrac{4}{3}\right)\left(2-\dfrac{5}{4}\right)\left(2-\dfrac{6}{5}\right)\)

\(=\dfrac{1}{2}.\dfrac{2}{3}.\dfrac{3}{4}.\dfrac{4}{5}\)

\(=\dfrac{1}{5}\)

Answer 2

=(4/2-3/2)(6/3-4/3)(8/4-5/4)(10/5-6/5)

=1/2.2/3.3/4.4/5

=1/5 nha bn