benjaminnupur2008 benjaminnupur2008

29-07-2021
Mathematics

contestada

Find the products using suitable identity:
1.(3y –2z) (3y + 2z)
2.105 × 98

Respuesta :

halolllll halolllll

29-07-2021

2)10,290

105

98

10290

(3y-2z) (3y+2z)

3y(3y+2z)-2z(3y+2z)

9y2+6yz-2z(3y+2z)

9y2+6yz-6yz-4z2

9y2-4z2

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