hlopushinairina √p/(√m-7/2);p=4;m=25/4⇒√4/(√25/4-7/2)=2/(5/2-7/2)=2·2/(-2)=-2;
-2/(-5/2-7/2)=(-2)·2/-12=-4/-12=1/3;
-2/(5/2-7/2)=(-2)·2/(-2)=2;
2/(-5/2-7/2)=4/(-12)=-1/3