Question

If X - 2, X, X + 4 are in GP, then X is equal to ​

Answer 1

Step-by-step explanation:

Given GP Series,

X-2, X , X+4

we know that in gp,

a2/a1 = a3/a2

Then, X/X-2 = X+4/x

Cross Multiplying

X² = (X-2) (X+4)

X² = X²+4X-2X-8

X²-X² = 2X-8

2X = 8

X = 4

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