Question

9 power x plus 9 power x minus 1 find the value of x
plss answer my question fastly ​

Answer 1

Step-by-step explanation:

x^9+ x^9 - 1 = 0

2x^9 = 1

x^9 = 1/2

x^9 = ( 9√1/2)^9

by cancelling power 9 by both the sides

x = 9√1/2