Math, asked by rajawaseemkiani7920, 1 year ago

If 9power x +2= 240 + 9 power x , then find the value of x

Answers

Answered by BEJOICE
4

 {9}^{x + 2}  = 240 +  {9}^{x}  \\   {9}^{x }  \times  {9}^{2}  = 240 +  {9}^{x}  \\  81 \times {9}^{x }  = 240 +  {9}^{x}  \\  81 \times {9}^{x }  -   {9}^{x} = 240 \\  80 \times  {9}^{x}  = 240 \\  {9}^{x}  = 3 =  {9}^{ \frac{1}{2} }  \\ x =  \frac{1}{2}
Answered by Manulal857
2

Answer:

hey Buddy here's ur answer

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