Find the value of p so that 3p + 4 is the geometric mean between p + 2 and 9p - 2.
Solution:
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Find the value of p so that 3p + 4 is the geometric mean between p + 2 and 9p - 2.
Solution:
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Answer:
p=2
Step-by-step explanation:
because geometric
p+2 3p+4 9p-2
a³-a =9p-2-p-2=2d
8p-4=2d
a²-a¹=3p+4-p2=d
²p+2=d
d=6
p=