Problem 119 of 7
Determine whether the proposed equation is an identity: (x+1)^2=x^2+1.
Hints
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Hidden until you reveal it.
test expansion or counterexample.
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An identity must be true for all variable values.
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Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
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1. Expand or simplify both sides.
2. Compare whether both sides match for all values.
3. If not, give a counterexample or describe limited solutions.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Treating an equation with limited solutions as an identity.