annsusanthomas1209 annsusanthomas1209
  • 20-05-2020
  • Mathematics
contestada

Factorise using identity 4y^2 - 12yz+9z^2​

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Аноним Аноним
  • 20-05-2020

Step-by-step explanation:

Identity used :

[tex] \bold{ ({y}^{2} + {z}^{2}) = {y}^{2} + 2yz + {z}^{2} }[/tex]

[tex] \implies \: {(2y)}^{2} - 2.2y.3z + {(3z)}^{2} [/tex]

so we got :

y = 2

z = 3

[tex]{ \pink{ \bold{ \boxed{answer = (2y + 3z) {}^{2} }}}}[/tex]

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