Rút gọn biểu thức: P = 12.(5^2+1)(5^4+1)(5^8+1)(5^16+1)
Giải thích
P=12.52+154+158+1516+12P=24.52+154+158+1516+1=52−152+154+158+1516+1=54−154+158+1516+1=.....=532−1⇒P=532−12
P=12.52+154+158+1516+12P=24.52+154+158+1516+1=52−152+154+158+1516+1=54−154+158+1516+1=.....=532−1⇒P=532−12