Mark (√) against the correct answer in the following:
Let f(x) = log (1 – x) + √x2 – 1. Then, dom (f) = ?
log (1 – x) + √(x2 – 1)
1 - x>0
X2 - 1≥0
X2 
1
Taking intersection of the ranges we get
Dom (f) = (b) ( - ∞, - 1]
1
Mark (√) against the correct answer in the following:
Let f(x) = log (1 – x) + √x2 – 1. Then, dom (f) = ?
log (1 – x) + √(x2 – 1)
1 - x>0
X2 - 1≥0
X2 1
Taking intersection of the ranges we get
Dom (f) = (b) ( - ∞, - 1]