Math, asked by jotp47371, 2 months ago

12. Find minors and co-factors of the elements of the determinant :
l2 -3 5l
l 6 0 4l
l1 5 - 7l
and verify that
a11 A31 +a12 A32 +a13 A33 =0​

Answers

Answered by yatharthsharma1118
0

Answer:

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1. Simplify: (4x2 - 2x) - (-5x2 - 8x).

Solution:

(4x2 - 2x) - (-5x2 - 8x)

= 4x2 - 2x + 5x2 + 8x.

= 4x2 + 5x2 - 2x + 8x.

= 9x2 + 6x.

= 3x(3x + 2).

Answer: 3x(3x + 2)

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