Advertisements
Advertisements
Question
If P = `|(8,5),(7,2)|` find P - Pt
Advertisements
Solution
P = `|(8 , 5),(7 , 2)|_(2 xx 2)`
P - Pt = `|(8 , 5),(7, 2)| - |(8 , 7),(5,2)|`
= `|(0 , -2),(2 , 0)|_(2 xx 2)`
APPEARS IN
RELATED QUESTIONS
The bookshop of a particular school has 10 dozen chemistry books, 8 dozen physics books, 10 dozen economics books. Their selling prices are Rs 80, Rs 60 and Rs 40 each respectively. Find the total amount the bookshop will receive from selling all the books using matrix algebra.
State, whether the following statement is true or false. If false, give a reason.
A column matrix has many columns and only one row.
Given : `[(x, y + 2),(3, z - 1)] = [(3, 1),(3, 2)]`; find x, y and z.
If `A = [(2),(5)], B = [(1),(4)]` and `C = [(6),(-2)]`, find B + C
Wherever possible, write the following as a single matrix.
`[(2, 3, 4),(5, 6, 7)] - [(0, 2, 3),(6, -1, 0)]`
Wherever possible, write the following as a single matrix.
`[(0, 1, 2),(4, 6, 7)] + [(3, 4),(6, 8)]`
If P =`|(1 , 2),(3 , 4)|` , Q = `|(5 , 1),(7 , 4)|` and R = `|(2 , 1),(4 , 2)|` find the value of P(Q + R)
Using the truth table statement, examine whether the statement pattern (p → q) ↔ (∼ p v q) is a tautology, a contradiction or a contingency.
If a matrix has 4 elements, what are the possible order it can have?
Construct a 2 x 2 matrix whose elements aij are given by aij = i.j
