\(5x\cdot5x\cdot5x=\left(5x\right)^3\)
\(x^1\cdot x^2\cdot...\cdot x^{2006}=x^{2013021}\)
\(x\cdot x^4\cdot x^7\cdot...\cdot x^{100}=x^{1717}\)
\(x^2\cdot x^5\cdot x^8\cdot...\cdot x^{2003}=x^{669670}\)
Nếu đúng thì cho mình xin cái !!!
\(x^1\cdot x^2\cdot...\cdot x^{2006}=x^{\frac{\left(2006+1\right)2006}{2}}=x^{2013021}\)
\(x\cdot x^4\cdot x^7\cdot...\cdot x^{100}=x^{\frac{\left(100+1\right)\left(\frac{100-1}{3}+1\right)}{2}}=x^{1717}\)
\(x^2\cdot x^5\cdot x^8\cdot...\cdot x^{2003}=x^{\frac{\left(2003+2\right)\left(\frac{2003-2}{3}+1\right)}{2}}=x^{669670}\)
Hơi khó nhìn bn thông cảm!