```
```
```
```
```Question:  is the science of numbers and shape

Question: is the science of reasoning or explaining events

Question: is the study and analysis of a mathematical proposition as to ascertain the  Truth  Value of the proposition

Question: Given that 2  3  4 the Truth Value of this statement is

Question: Lagos is a cosmopolitan state The Truth Value of this is

Question:  is used to analyze the Truth Value of any mathematical statement

Question: A statement or proposition in the context of logic is

Answer:A: a declarative sentences or an expression of words which are either true or false  but  cannot assume both

Question: The connective Rightarrow in logic is a

Question: The connective  Lightrightarrow in logic is a

Question:  is said to be formed when the conjunction of a set of simple mathematical  statements gives rise to another mathematical statement

Question: What is the common difference in the sequence 3 5 7 9 11

Question: Evaluate fracz1  3  2i z2  4  3i

Question: What is the distance between the points z1 and z2 given that z1  3  2i  and  z2  4  3i

Question: Find the unit vectors in the direction of the vector  a4i3j

Question: Given that  r1  3i  5 j  r2  4i 19 j Find the modulus of 5r1  r2

Question: What is the magnitude of the vectors  3i  4 j

Question: If P  T  P and P  F  F implies

Question: If p  q  q p and  p  q  q p implies an

Question:  is the use of connectives to combine two or more simple statements to form just one

Question: The connective wedge in logic is a

Question: Given that x  2y  3 3x  4y 1 What is x and y

Question: Which of the following statements is true

Answer:A: pvee qwedge pvee rpveeqwedge r

Question: A necessary and sufficient condition for a matrix square A to be  invertible is  that

Question: A matrix in which all its diagonal elements are one 1 where all other   elements are zero is called

```
```
```
```
```Question: The of a matrix is the inter  changing of its row with the column

Question: Let Abeginpmatrix123450214endpmatrix then the cofactor of matrix A is the matrix

Answer:A: beginpmatrix20 16 16 5  23 1512 3endpmatrix

Question: Calculate the determinant of the matrix Abeginpmatrix1234 50214endpmatrix

Question: Given that Abeginpmatrix123456endpmatrix and Bbeginpmatrix123  456endpmatrix What is AB

Question: What is the determinant of the Abeginpmatrix 12 3 4 endpmatrix

Question:  reads the goods are standard if and only if the goods are expensive

Question: A matrix that has elements only on its diagonal is called

Question: pwedge q qvee p  and pvee q  qvee p implies an

Question: pvee qvee rpvee qvee r  and pwedge qwedge r  pwedge qwedge r implies an

Question: given thatAeginpmatrix1  2  3 4  5  6 endpmatrixand Beginpmatrix 1  2 3 4 5 6 endpmatrix Find AB

Answer:eginpmatrix 5  12  15 19  26  31 29  40  51 endpmatrix

Question: A matrix in which its transpose is equal to itself is called

Question: is equivalent to pvee q

Question: which of the following statement is true

Answer:pvee qwedge pvee rpvee qwedge r

Question: is a rectangular array of numbers with reference to specific rules governing the array

Question: given thatAbeginpmatrix1  2  3 4  5  6 endpmatrixrnand Bbeginpmatrix 1  2 3 4 5 6 endpmatrixrn Find AB

Answer:D: beginpmatrix 5  12  15 19  26  31 29  40  51 endpmatrix

Question: Given that x  2y  3z 1 3x  2y  z  4 x  3y  2z  0 What is xy and z

Question: What is the common difference in the sequence 3 5 7 9 11cdots

Question: Given that Aeginpmatrix 2  0  1 k  2  3 2  1  4 endpmatrix what is the value of k if A is said to be a singular matrix

Question: Given that Aeginpmatrix 1  2  3 3  2  1 1  3  2 endpmatrix Find the determinant of A

Question: let Aeginpmatrix 1  2  3 4  5  0 2  1  4 endpmatrix then the cofactor of matrix A is the matrix

Answer:Aeginpmatrix 20   16   6  5   2  3  15  12   3 endpmatrix

Question: A matrix is said to be singular if the determinant is equal to

Question: Given that eginpmatrix 1  3 k  4 endpmatrix is singular matrix Find the value of k

Question: A necessary and sufficient condition for a matrix square A to be  invertible is that

Question: Calculate the determinant of the matrix Aeginpmatrix 1  2  3 4  5  0 2  1  4 endpmatrix

Question: Given that beginpmatrix 1  3 k  4 endpmatrix is singular matrix Find the value of k

Question: Given that Abeginpmatrix 1  2  3 3  2  1 1  3  2 endpmatrix Find the determinant of A

Question: Given that Abeginpmatrix 2  0  1 k  2  3 2  1  4 endpmatrix what is the value of k if A is said to be a singular matrix

Question: let Abeginpmatrix 1  2  3 4  5  0 2  1  4 endpmatrix then the cofactor of matrix A is the matrix

Answer:Abeginpmatrix 20   16   6  5   2  3  15  12   3 endpmatrix

Question: Calculate the determinant of the matrix Abeginpmatrix 1  2  3 4  5  0 2  1  4 endpmatrix