Evaluate the matrix product: .
Answer and explanation
Correct answer: B.
- Step 1: Row-by-column multiplication: top element . Step 2. Bottom element . Step 3. Result: . **Answer: . Why not the others:** Adding elements gives .
Practise more Calculus, Statistics and Probability.
Free questions with an explanation for every one, and full timed Unified Tertiary Matriculation Examination mock tests.
More Calculus, Statistics and Probability questions
- Find the first derivative of the polynomial function: .
- Determine the gradient of the tangent to the curve at the point where .
- Find the equation of the tangent line to the parabola at the point .
- Find the equation of the normal to the curve at the point .
- Find the coordinates of the turning points (stationary points) of the cubic curve .
- Classify the stationary point of the quadratic function .