Question: =2n, Simplify the following: Er=2(r - 1)(r + 1) Evaluate r=152r(r + 1) Simplify 2r(r + 4) r=2n r=n+1

=2n, Simplify the following: Er=2"(r - 1)(r + 1) Evaluate r=152r(r +

=2n, Simplify the following: Er=2"(r - 1)(r + 1) Evaluate r=152r(r + 1) Simplify 2r(r + 4) r=2n r=n+1

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