Question

aratati ca fractia "2^41-2^39 --------------- 2^40+2^39" este echiunitara pls<3​

Answer 1

$\it \dfrac{2^{41}-2^{39}}{2^{40}+2^{39}}=\dfrac{\not2^{39}(2^2-1)}{\not2^{39}(2+1)}=\dfrac{4-1}{3}=\dfrac{3}{3}=1$