Question

x^-2=64,then find the value of x​

Answer 1

Answer:

the. ....question is x-2=64..

Step-by-step explanation:

x=64+2

x=66...

transposing -2 to this side.. so it becomes positive two.. since x is on one side and the value is otherside... now calculate... it's 66....

please thank or vote... let me know it's right....

Answer 2

${x}^{ - 2} = 64 \\ \\ \frac{1}{ {x}^{ 2} } = {8}^{2} \\ \\ { \binom{1}{x} }^{2} = {8}^{2} \\ \\ comparing \: both \: sides \\ \\ \frac{1}{x} = 8 \\ \\ 8x = 1 \\ \\ x = \frac{1}{8}$