2 Show that log rvx21log vx10 Solutionlogaxsqrtx21 logaxsqrt
2.) Show that log r+vx2-1+log, vx-1)-0
Solution
loga(x+sqrt(x2-1)) +loga(x-sqrt(x2-1))
loga((x+sqrt(x2-1))(x-sqrt(x2-1)))
loga(x2-x2+1)
loga1 =0

loga(x+sqrt(x2-1)) +loga(x-sqrt(x2-1))
loga((x+sqrt(x2-1))(x-sqrt(x2-1)))
loga(x2-x2+1)
loga1 =0
