The rate of change of parallax dp/dh with respect to change in h, may – McqOptions

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1.	The rate of change of parallax dp/dh with respect to change in h, may be expressed as
A.	400 km.
B.	fB/(H - h)
C.	fB/(H - h)2
D.	fB/(H + h)
Answer» C. fB/(H - h)2

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