Ontbind in factoren door gebruik te maken van merkwaardige producten
- \(81b^2+18b+1\)
- \(-256a^2+81\)
- \(b^2-49\)
- \(b^2+10b+25\)
- \(-16b^2+121\)
- \(p^2-16\)
- \(121y^2-9b^{16}\)
- \(100q^2+140q+49\)
- \(25b^{4}-90b^2+81\)
- \(196p^2+140p+25\)
- \(25s^2+20s+4\)
- \(81x^{10}-72x^5+16\)
Ontbind in factoren door gebruik te maken van merkwaardige producten
Verbetersleutel
- \(81b^2+18b+1=(9b+1)^2\)
- \(-256a^2+81=(9-16a)(9+16a)\)
- \(b^2-49=(b+7)(b-7)\)
- \(b^2+10b+25=(b+5)^2\)
- \(-16b^2+121=(11-4b)(11+4b)\)
- \(p^2-16=(p-4)(p+4)\)
- \(121y^2-9b^{16}=(11y-3b^8)(11y+3b^8)\)
- \(100q^2+140q+49=(10q+7)^2\)
- \(25b^{4}-90b^2+81=(5b^2-9)^2\)
- \(196p^2+140p+25=(14p+5)^2\)
- \(25s^2+20s+4=(5s+2)^2\)
- \(81x^{10}-72x^5+16=(9x^5-4)^2\)