simplify ( $\frac{ x^{2} }{4}$ )
what the highest factor common of 55 121 132
15a-4b=25 5a+2b=25
Prove that cos2𝐴+cos2𝐵+2cos𝐴.cos𝐵.cos𝐶=sin2𝐶 .
find the solution of z=px+qy and z(yp+xq) are compatible
(x+y)^6
2108=34(x+(62-x))
resolver la siguiente ecuacion, verifica su solucion 9^(x)-5*3^(x+2)-7*3^(x)=2349
what is the highest common factor of 65 143 169
(x-y)^6
