If
and
, what is the value of
?
(A)
(B)
(C)
(D)
(E) None of the above
It is given that
(1)
It is also given that
. (2)
Multiplying equations (1) and (2), we get
(
)
(3)
Putting (3) in this, we get
Hence, the answer is (C).
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