Скачать или смотреть 9th Class Math Ch 1 Matrices and Determinants Exercise 1.6 Question 1(iv) to 1(viii)

this lecture is about 9th Science and computer science students. Mathematics Chapter 1 Matrices and Determinants Exercise 1.6 Question 1

Addition of a Matrices
Subtraction of a Matrices
commutative Law under Matrix
A +B = B+A
Assocative law under addition
(A + B ) + C = A + ( B + C )
Additive identity of a matrix
A + B = B + A
Additive inverse of a matrix
A + B = O = B + A
Determinants
cramer's rule
cramer's rule 3x-2y=-6 5x-2y=-10
cramer's rule 3x-2y=4 -6x+4y=7
cramer's rule 4x+y=9 -3x-y=-5
cramer's rule 2x-2y=4 -5x-2y=-10
cramer's rule 3x-4y=4 x+2y=8

#determinants #mathematics #cramersrule

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