1)(a^2+3)/(g*e*q)*2*a
(2*a^3+6*a)/(e*g*q)
Otvet:2*a*(a^2/q+3/q)/(e*g)
2)(2а-1)(2а+1)\leq 4а^2
(2*a-1)*(2*a+1)/(l*e*q)*4*a^2
(16*a^4-4*a^2)/(e*l*q)
Otvet: 4*a^2*(2*a+1)*(2*a/q-1/q)/(e*l)
