Respuesta :
if we look at the pattern, we have
let x = 3
x, -2x, 4x, -8x etc
which means what we need is
x + 4x + 16x + 64x, 256x, 1024x - 2x - 8x - 32x - 128x - 512x - 2048x
This is equal to -4113.
let x = 3
x, -2x, 4x, -8x etc
which means what we need is
x + 4x + 16x + 64x, 256x, 1024x - 2x - 8x - 32x - 128x - 512x - 2048x
This is equal to -4113.
Answer:
3, -6, 12, -24, 48, -96, 192, -384, 768, -1536, 3072, -6144...
×-2
Geometric sequence