5^7 . 7^3 . 11^1 . x – 5^2 . 7^4 . 11^2 = 0 09/11/2021 Bởi Jasmine 5^7 . 7^3 . 11^1 . x – 5^2 . 7^4 . 11^2 = 0
$5^7.6^3.11^1.x-5^2.7^4.11^2=0$ $\to 5^2.7^3.11.(5^5.x-7.11)=0$ $\to 3125x=77$ $\to x = \dfrac{77}{3125}$ Bình luận
$5^{7}$.$7^{3}$. $11^{1}$.x – $5^{2}$. $7^{4}$. $11^{2}$= 0 => $5^{7}$.$7^{3}$. $11^{1}$.x =$5^{2}$. $7^{4}$. $11^{2}$ => $5^{5}$.x =7.11 =77 =>x =77 :3125 =0,2464 Bình luận
$5^7.6^3.11^1.x-5^2.7^4.11^2=0$
$\to 5^2.7^3.11.(5^5.x-7.11)=0$
$\to 3125x=77$
$\to x = \dfrac{77}{3125}$
$5^{7}$.$7^{3}$. $11^{1}$.x – $5^{2}$. $7^{4}$. $11^{2}$= 0
=> $5^{7}$.$7^{3}$. $11^{1}$.x =$5^{2}$. $7^{4}$. $11^{2}$
=> $5^{5}$.x =7.11 =77
=>x =77 :3125 =0,2464