Answers

2015-12-06T10:47:27+05:30
(x+2)² = x(x+b)

x² + 4 + 2×x×2 = x² + bx

x² + 4 + 4x = x² + bx

4+4x = bx

4x-bx = -4

x(4-b) = -4

x = -4 / 4-b
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okk i will givr question
ohk...
find the 12th term of gp whose 8th term is 192 and common ratio is 2
8th term will be , ar^7 = 192 , r = 2 , calculate a & 11th term will be ar^10
how you gave previous ans step by step like that you gibe know plz