Write the matix of the order `2xx1`.

Write the nature of the material having resistivity of the order of 1.7 xx 10^-8 Omega m

If A is an invertible matrix of order 2 xx 3 such that |A| = 5 then find |A^(-1)| .

Write the terms of the sequence 5xx(1+6) , 10xx(2+6) , 15xx(3+6) , 20xx (4+6) in the form first term 5xx1(1 + 6) , second term 5xx2(2 +6) .Write its algebraic expression.

If AB=C where A is a matrix of order 2xx2 and C is a matrix of order 2xx5 , then the order of B is :

Write the terms of the sequence '5 xx(1+6), 10 xx(2+6), 15 xx(3+6),20 xx(4+6) …...' in the form, first term '5 xx 1(1+6)', second term '5 xx 2(2+6)' i)Write its algebra.