Question

if asuare matrix of order 3 determinant of adjoint A =25 find determinant A

question 8

Find the hcf and LCM of the following integers by prime factorisation method 24,15,36

Find the hcf and LCM of the following integers by prime factorisation method 24,15,36

Polynomial 2x² -x-21

Polynomial 2x² -x-21

Using properties of determinants, prove the following: |■(x+y&x&x@5x+4y&4x&2x@10x+8y&8x&3x)|=x^3