Q3 of 29 Page 1

Find the value of .

We know that


= –1


Hence, = –1


More from this chapter

All 29 →
1

Find the value of

2

If is a matrix satisfying AA' = 9I, find x.

4

Find the identity element in the set Q + of all positive rational numbers for the operation * defined by for all a, b ∈ Q +.

 5

Prove that .