if Figure then, find the value of x

2009

if

Matrix1

Figure

then, find the value of x

Answer: C. 4 — To find the value of x, expand the determinant using the formula ad - bc. Applying this to the given matrix: (3 * 5) - (3 * x). This simplifies to 15 - 3x.…

  1. A.

    2

  2. B.

    3

  3. C.

    4

  4. D.

    5

Attempted by 167 students.

Show answer & explanation

Correct answer: C

To find the value of x, expand the determinant using the formula ad - bc.

Applying this to the given matrix: (3 * 5) - (3 * x).

This simplifies to 15 - 3x. Set this equal to the given value: 15 - 3x = 3.

Solving for x: 15 - 3 = 3x, so 12 = 3x, which means x = 4.

Explore the full course: Iocl Engineers Officers Grade A Paper 2

Loading lesson…