Let be an n x 1 column matrix satisfying 

. 

The n x n matrix 

is called a Householder Matrix. Which of the following is true?

Let A, D, and P be n × n matrices satisfying AP = PD.

Assume that P is nonsingular and solve this equation for A. Must it be true that A = D?

The dimension of is

Select the correct option.

The National Development Plan (NDP) is closely associated with President________

Select the correct option:

Which of the following are public institutions involved in the policy-making process?

True or False?

“South Africa’s national interest can be articulated as people-centred, including promoting the well-being, development and upliftment of its people; protecting the planet for future generations; and ensuring the prosperity of the country, its region and continent.”

Select the correct option:

The Cold War was an ideological war between_____________.

True or False?

South Africa withdrew from the International Court of Justice.

Select the correct option:

In South Africa, judicial authority is vested in________