find the value of determinants [√5. -3√2] [2√5 √2
Answers
Answered by
0
Answer:
Explanation:
Explanation:
This does not factor with integer coefficients: consider the quadratic determinant,
b
2
−
4
a
c
, which is equal to
128
, which is not a perfect square.
Solve the expression equal to zero to find the non-integer coefficients:
−
x
2
+
10
x
+
7
=
0
Quadratic formula:
x
=
−
(
1
2
)
(
−
10
±
√
128
)
=
5
±
√
32
=
5
±
4
√
2
So
−
x
2
+
10
x
+
7
=
(
−
x
+
5
+
4
√
2
)
(
x
−
5
+
4
√
Similar questions