Question

(x+1/2) + ( x + 1/4) + (x + 1/8) + (x + 1/6) = 1

Answer 1

4x  = 1 -1/2 -1/4-1/8-1/16

4x =1/16

x =1/64

Answer 2

(x+1/2)+(x+1/4)+(x+1/8)+(x+1/6)=1

(x*x*x*x)+(1/2+1/4+1/8+1/6)=1

4x+(1/2+1/4+1/8+1/6)=1

4x+(12/24+6/24+3/24+4/24)=1

4x+25/24=1

4x=1-25/24

4x=-1/24

x=-1/24:4

x=-1/96

tick cho mk nha bạn