Question Find the excluded values ϕ=0 Evaluate ϕ1Solution ϕ=0 Show Solution Find the roots ϕ∈∅ Evaluate ϕ1To find the roots of the expression,set the expression equal to 0 ϕ1=0Find the domain ϕ1=0,ϕ=0Calculate ϕ1=0Cross multiply 1=ϕ×0Simplify the equation 1=0Solution ϕ∈∅ Show Solution
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