0,09y^2-1,2p^2=3(0,03y^2-0,4p^2);<span>
<span>a^2b^2-16/9=1/9(9a^2b^2-16)=1/9(3ab-4)
(3ab+4);</span>
<span>a^8-x^4=(a^4)^2
– (x^2)^2 =(a^4- x^2)(a^4+ x^2)=(a^2- x)( a^2+x)(a^4+ x^2);</span>
<span>0,04b^4-a^12=0,04(b^4-25a^12</span>)=
0,04((b^2)^2-(5a^6)^2)=
=0,04(b^2-5a^6)( b^2-5a^6);</span>
<span>-1+a^6b^4=
a^6b^4</span>-1= (a^3b^2)^2-1^2= (a^3b^2-1)(a^3b^2+1).
1) (a-4)^2/(x(a-4)=(a-4)/x=
=(-5-4)/-2= -9/-2=4.5
2) (x(3x-y)/(3x-y)^2=
=x/(3x-y)=3/4 :(9/4+2/3)=
=3/4: (27+8)/12=3/4 :
: 35/12= 3/4 * 12/35=
9/35= 3,9=~ 4
D = 8 - 4 = 4
a₁₁₂ = a₁ + 111d = 4 + 111 * 4 = 4 + 444 = 448