(-2)x-2 + 2011 = 2075
(-2)x-2 = 2075 - 2011 = 64 = (-2)6
=> x - 2 = 6
=> x = 8
(-2)x-2 + 2011 = 2075
(-2)x-2 = 2075 - 2011 = 64 = (-2)6
=> x - 2 = 6
=> x = 8
Tìm x:
2012×|x-2011|+ (x-2011)^2=2013×|2011-x|
Tìm x biết : 2011 . | x - 2011 | + ( x - 2011 )\(^2\)= 2013 . | 2011 - x |
Tìm x
2012.| x-2011| +\(\left(x-2011\right)^2\)=2013.|2011-x|
Cho các số a,b,c,d khác 0 . Tính T=\(x^{2011}+y^{2011}+z^{2011}+t^{2011}\) . Biết x,y,z,t thỏa mãn:\(\frac{x^{2010}+y^{2010}+z^{2010}+t^{2010}}{a^2+b^2+c^2+d^2}=\frac{x^{2010}}{a^2}+\frac{y^{2010}}{b^2}+\frac{z^{2010}}{c^2}+\frac{t^{2010}}{d^2}\)
a) Cho các số a,b,c,d khác 0. Tính T = x2011 + y2011 + z2011 + t2011
Biết x, y, z, t thoả mãn: \(\frac{x^{2010}+y^{2010}+z^{2010}+t^{2010}}{a^2+b^2+c^2+d^2}=\frac{x^{2010}}{a^2}+\frac{y^{2010}}{b^2}+\frac{z^{2010}}{c^2}+\frac{t^{2010}}{d^2}\)
a,b,c,d Khác 0. Tính x = x^2011+y^2011+t^2011
Biết x,y,t,z thoả x^2010+y^2010+z^2010+t^2010/ a^2+b^2+c^2+d^2= x^2010/a^2 = y^2010/b^2= z^2010/c^2= t^2010/d^2
a)2^x+2^x+1+2^x+2+2^x+3=480
b)(1/2+1/3+...+1/2012+1/2013)*x=2012/1+2011/2+2010/3+..+2/2011+1/2012
Cho a,b,c,d khác 0.tính T=\(x^{2011}+y^{2011}+z^{2011}+t^{2011}\)
biết x,y,z,t thoả mãn \(\frac{x^{2010}+y^{2010}+z^{2010}+t^{2010}}{a^2+b^2+c^2+d^2}=\frac{x^{2010}}{a^2}+\frac{y^{2010}}{b^2}+\frac{z^{2010}}{c^2}+\frac{t^{2010}}{d^2}\)
\(2012\cdot|x-2011|+\left(x-2011\right)^2=2013\cdot|2011-x|\)
Tìm x