Question

Tính giá trị biểu thức:

A=(1-1/2^2)(1-1/3^2)(1-1/4^2)...(1-1/99^2)(1-1/100^2)

Answer 1

Cố gắng lên nhé !

Answer 2

\(\left(\frac{1-1}{2^2}\right)\left(\frac{1-1}{3^2}\right)...\left(\frac{1-1}{99^2}\right)\left(\frac{1-1}{100^2}\right)\)

=\(\left(\frac{0}{2^2}\right)\left(\frac{0}{3^2}\right)...\left(\frac{0}{99^2}\right)\left(\frac{0}{100^2}\right)\)

=0.0...0.0 = 0