Find the derivative of 1/(1-2x), the derivative is the gradient function, which will allow you to find out the gradient of the tangent at some point x. sub x=1 into the gradient function and use the formula y-y1=m(x-x1)
Find the derivative of 1/(1-2x), the derivative is the gradient function, which will allow you to find out the gradient of the tangent at some point x. sub x=1 into the gradient function and use the formula y-y1=m(x-x1)