AlgEquiv: absolute value of a product Write \(\sqrt{(x^2-1)^2}\) without a square root.

[[input:ans1]] [[validation:ans1]]

[[feedback:prt1]]]]> 1 0.1 0 2026080600 ta: abs(x^2-1); 1 0 0 ans1 algebraic ta 20 1 0 0 0 0 0 1 1 prt1 1.0000000 1 1 0 AlgEquiv ans1 ta 0 = 1 -1 prt1-1-T = 0 -1 prt1-1-F 1 ans1 abs(x^2-1) prt1 1 0 prt1-1-T 2 The same expression with the inside factored. ans1 abs((x-1)*(x+1)) prt1 1 0 prt1-1-T 3 ans1 abs(x-1)*abs(x+1) prt1 1 0 prt1-1-T