MATHEMATICS RFEI

INDEPENDENT WORK TASKS # 1
ON THE COURSE "MATHEMATICS"
I. Find for what value of the parameter α the determinant
A = 0:

1.1 Variants of answers: A) α = 3; B) α = 12; B) α = -3. answer: A
1.2 Variants of answers: A) α = -2; B) α = 2; C) α = 50.Answer: B
1.3 Answer options: A) α = 4; B) α = 9; B) α = 1.
1.4 Variants of answers: A) α = -1; B) α = 1; B) α = -7.
1.5 Variants of answers: A) α = -16; B) α = 2; B) α = -8.
1.6 Variants of answers: A) α = -6; B) α = -11; C) α = 4.

II. Find the value of the determinant A:
.
2.1 Answer options:
A) A = (-3v + 2a); B) A = (2c - 3a); B) A = (3c - 2a). answer: B
2.2 Answer options:
A) A = ad + bc; B) A = ad - sun; B) A = ab - dc. answer: B
2.3 Answer options:
A) A = -5; B) A = 5; B) A = 12.