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Expand : ( 2a – 3b )²


4a² + 12ab + 9b²

4a² – 12ab + 9b²

4a² – 12ab – 9b²

Please

By Mary

Expand : ( 2a – 3b )²

4a² + 12ab + 9b²

4a² – 12ab + 9b²

4a² – 12ab – 9b²

Please answer urgently ​

About the author
Mary

Choose the correct alternative
The sum of the eigen values of a 3×3 matrix is 16 and two of them are
5 and 7 then third

IN A ABC , XY || BC , If XY =3 cm, Ay – Rcm
and AC-6cm find the length of
BC​

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