If - 2/7,x,7/2 are in Gp then find x
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Answer:
x=+1,-1
Step-by-step explanation:
a1=2/7
a2=x
a3=7/2
r=r
a2/a1=a3/a2
(a2)^2=a1×a3
a2=(a1×a3)^(1/2)
x=(7/2×2/7)^(1/2)
x= 1^(1/2)
x=+1,-1
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