Tìm x biết
a,\(x^2-4x+4=25\)
b,\(\frac{x-17}{1990}+\frac{x-21}{1986}+\frac{x+1}{1004}=4\)4
c,\(x^4-12\cdot2^2+32=0\)
tim x
9x-17)/1990+(x-21)/1986+(x+1)/1004=4
giải phương trình
(x- 17 / 1990 ) + (x- 21/ 1986 ) + (x +1/ 1004 ) = 4
tìm x biết
\(\frac{x-17}{1990}+\frac{x-21}{1986}+\frac{x+1}{1004}=4\)
tìm x biết
\(\frac{x-17}{1990}+\frac{x-21}{1986}+\frac{x+1}{1004}\)
Tìm x biết :
\(\frac{x-17}{1990}+\frac{x-21}{1986}+\frac{x+1}{1004}=4\)
Mấy bn giúp mk nha ai đúng nhất định mk sẽ tk cho . cảm ơn các bn trc
Giải PT\(\frac{x-29}{1986}+\frac{x-27}{1988}+\frac{x-25}{1990}+\frac{x-23}{1992}+\frac{x-21}{1994}+\frac{x-19}{1996}=\frac{x-1986}{29}+\frac{x-1988}{27}+\frac{x-1990}{25}+\frac{x-1992}{23}+\frac{x-1994}{21}+\frac{x-1996}{19}\)
TÌM X BIẾT:
X-25/1990+X-29/1986+X+1/1008=4
(2X-5)^3-(X-2)^3=(X-3)^3
Cho x4/a+y4/b=1/a+b,x2+y2=1(ab khac 0,a+b khac 0).chung minh
a)bx2=ay2
b)x2008/a1004+y2008/b1004=2/(a+b)1004
