passpadi

2006

Mathematics

POST UTME

Z is partly constant and partly varies inversely as the square of d. when d = 1, z = 11 and when d = 2, z = 5. Find the value of z when d = 4.

A.

2

B.

3.5

C.

5

D.

5.5

Correct Answer: 3.5

Explanation

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