ππ±π©ππ§π (ππ±^π*π²^π - π/ππ²)^π
πππ π±^ππ π²^ππ - πππ π±^ππ π²^ππ + πππ π±^ππ π²^ππ - ππ π±^ππ π²^ππ + (ππ π±^ππ π²^ππ)/π - (ππ π±^π π²^ππ)/ππ + (ππ π±^π π²^ππ)/πππ - (π π±^π π²^ππ)/ππππ + (π π±^π π²^ππ)/πππππ - π²^π/ππππππ
(ππ πππ«π¦π¬)