ਸ਼ਹੀਦ ਕਰਤਾਰ ਸਿੰਘ ਸਰਾਭਾ I Kartar Singh Srabha I ਲੇਖ-ਰਚਨਾ I Essay-Writing

(i) Write the probability of a sure event.

Write 1-i in polar form.

Write the value of [ hat i- hat j\ hat j- hat k\ hat k- hat i]

Write the IUPAC name of the following (i)

Write the value of [ hat i+ hat j\ hat j+ hat k\ hat k+ hat i]

If A={a,b,c,d}, then on A . (i) write the identity relation I_(A) . (ii) write a reflexive relation which is not the identity relation.

If A=[a_(i j)] is a square matrix such that a_(i j)=i^2-j^2 , then write whether A is symmetric or skew-symmetric.

Write the name of two elements in group I.

If A is a square matrix such that A^2 = A , then write the value of 7A-(I + A)^3 , where I is an identity matrix.

If A=[a_(i j)] is a 2xx2 matrix such that a_(i j)=i+2j , write A .