Math, asked by arzookamboj19, 11 months ago

13. For what values of x, the numbers (x+ 9), (x- 6) and 4 are in G.P.?​

Answers

Answered by usharmavn
6

Answer:

Step-by-step explanation:

we must know that if three numbers namely a, b, and c are in G.P, then

ac=b^{2}

using the same concept

4 x (x+9) = (x-6)^{2}

4x + 36 = x^{2} + 36 - 12x

therefore

x^{2} - 16x = 0

x(x-16) = 0

therefore, either x = 0 or 16

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