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Q: The angle of elevation of the top of a tower from the point P and Q at distance of 'a' and 'b' respectively from the base of the tower and in the same straight line with it are complementary . The height of the tower is

A. $$ab$$
B. $$a^2b^2$$
C. $$\sqrt{ab}\ $$
D. $$\sqrt{a^2b}\ $$
Answer» D. $$\sqrt{a^2b}\ $$


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