1024:(\(2^5\).129-\(2^5\).121)
=1024:[32.(129-121)]
=1024:[32.8]
=1024:256
=4
1024 :(\(2^5\) . 129 - \(2^5\) . 121)
=1024 : [\(2^5\) (129-121)
=1024 : (\(2^5\) . 8)
=1024 : 256
=4
1024:(\(2^5\).129-\(2^5\).121)
=1024:[32.(129-121)]
=1024:[32.8]
=1024:256
=4
1024 :(\(2^5\) . 129 - \(2^5\) . 121)
=1024 : [\(2^5\) (129-121)
=1024 : (\(2^5\) . 8)
=1024 : 256
=4
lam vay co duoc ko
1/2+1/4+1/8+... +1/512+1/1024=1-1/2+1/2-1/4+...+1/512-1/1024=1-1/1024=1/1023
CMR :1/(5+1)+2/(5^2+1)+4/(5^4+1)+⋯+1024/(5^1024+1) <1/4
CMR :1/(5+1)+2/(5^2+1)+4/(5^4+1)+⋯+1024/(5^1024+1) <1/4
Thực hiện phép tính
a. 8.5+73+4×3×5
B.8.3-(2018+8)÷3
C.(1024×18-1024×7+1024×5) ÷ 4096
D. 2+5+8+11+...+98
1+2+1+2+4+8+........+1024
1. (1+1/2).(1+1/2^2).(1+1/2^3)....(1+1/2^100) < 3
2. 1/(5+1)+2/(5^2+1)+4/(5^4+1)+...+ 1024/(5^1024+1) <1/4
3. 3/(1!+2!+3!)+4/(2!+3!+4!)+...+100/(98!+99!+100!) <1/2
Tìm x, biết:
(-2)x+1+(-2)x=-1024
( 2-x ) 2 = 1024
2 mũ x nhân 16 mũ 2 = 1024