Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(81s^2-16\)
- \(81b^{6}-72b^3+16\)
- \(25y^2-144\)
- \(81q^2-64p^{6}\)
- \(25b^2-20b+4\)
- \(196b^2-81\)
- \(16p^{6}-225\)
- \(36y^2-132y+121\)
- \(169s^2-196\)
- \(196b^{14}-81p^2\)
- \(144x^{4}-264x^2+121\)
- \(49b^{10}-224b^5s+256s^2\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(81s^2-16=(9s+4)(9s-4)\)
- \(81b^{6}-72b^3+16=(9b^3-4)^2\)
- \(25y^2-144=(5y+12)(5y-12)\)
- \(81q^2-64p^{6}=(9q-8p^3)(9q+8p^3)\)
- \(25b^2-20b+4=(5b-2)^2\)
- \(196b^2-81=(14b+9)(14b-9)\)
- \(16p^{6}-225=(4p^3+15)(4p^3-15)\)
- \(36y^2-132y+121=(6y-11)^2\)
- \(169s^2-196=(13s+14)(13s-14)\)
- \(196b^{14}-81p^2=(14b^7+9p)(14b^7-9p)\)
- \(144x^{4}-264x^2+121=(12x^2-11)^2\)
- \(49b^{10}-224b^5s+256s^2=(7b^5-16s)^2\)