If , then equals
(a) 4
(b) 3
(c) 2
(d) 1.
Solution.
We can write the given equation as
, or
and
and
Answer. Option d.
More later,
Nalin Pithwa
If , then equals
(a) 4
(b) 3
(c) 2
(d) 1.
Solution.
We can write the given equation as
, or
and
and
Answer. Option d.
More later,
Nalin Pithwa