Question

If 4x+4, 2x+2, 3x+3 are in G.P then fourth term is​

Answer 1

Answer:

Since x, 2x + 2, 3x + 3, are in G.P

(2x+2)2 = x(3x+3)

4x2+8x+4 = 3x2+3x

x2 + 5x + 4 = 0

(x+1)(x+4) = 0

x = -1 or -4

When x = -1, the series is -1, 0, 0..

When x = -4, the series is -4, -6, -9

Here r = -6/-4 = 3/2

4th term = ar3

= (-4)(3/2)3

= -27/2

= -13.5

Answer 2

Answer:

x+1

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