Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(64-49q^{14}\)
- \(121p^2+44p+4\)
- \(y^2-18y+81\)
- \(81a^{10}+72a^5+16\)
- \(49-16b^{12}\)
- \(a^2+2a+1\)
- \(225x^2-60x+4\)
- \(49q^2-42q+9\)
- \(25y^2-1\)
- \(49p^2-4\)
- \(b^2+26b+169\)
- \(s^2-225\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(64-49q^{14}=(8-7q^7)(8+7q^7)\)
- \(121p^2+44p+4=(11p+2)^2\)
- \(y^2-18y+81=(y-9)^2\)
- \(81a^{10}+72a^5+16=(9a^5+4)^2\)
- \(49-16b^{12}=(7-4b^6)(7+4b^6)\)
- \(a^2+2a+1=(a+1)^2\)
- \(225x^2-60x+4=(15x-2)^2\)
- \(49q^2-42q+9=(7q-3)^2\)
- \(25y^2-1=(5y+1)(5y-1)\)
- \(49p^2-4=(7p+2)(7p-2)\)
- \(b^2+26b+169=(b+13)^2\)
- \(s^2-225=(s+15)(s-15)\)