Question

if 2/7,x,-7/2 are in gp then find x​

Answer 1

Answer:

GP is ac= B*b

-2/7*-7/2 = x*x

x =1

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Answer 2

Answer:

imaginary numbers

Step-by-step explanation:

if a,b,c are in g.p

b² = a×c

so, x² = 2/7 ×-7/2

x² = -1           ( square of real number is always positive )

x = √-1  = i