A/√(A-1) - √(A-1) = A/√(A-1) - √(A-1)√(A-1)/√(A-1)
= A/√(A-1) - (A-1)/√(A-1)
= [A-(A-1)]/√(A-1)
= 1/√(A-1)
Patricia A.
asked • 10/07/15what is (A/square root of A-1 )-square root of A-1?
It's about subtracting radicals and then simplifying them.
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