Question

if
-1 is the
common root for the quadratie
2x2 + 2x + 8 =0 and p=(x2+x)+k=o
find
p and k​

Answer 1

Answer:

ANSWER

ANSWERA diagonal matrix is a square matrix in which all the elements other than the principal diagonal elements are zero.

ANSWERA diagonal matrix is a square matrix in which all the elements other than the principal diagonal elements are zero.Unit matrix and scalar matrix are special case of a diagonal matrix.

ANSWERA diagonal matrix is a square matrix in which all the elements other than the principal diagonal elements are zero.Unit matrix and scalar matrix are special case of a diagonal matrix.A diagonal matrix, in which all diagonal elements are equal to same scalar, is called a scalar matrix.

ANSWERA diagonal matrix is a square matrix in which all the elements other than the principal diagonal elements are zero.Unit matrix and scalar matrix are special case of a diagonal matrix.A diagonal matrix, in which all diagonal elements are equal to same scalar, is called a scalar matrix.A diagonal matrix, in which all diagonal elements are equal to one, is called a unit matrix.