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When working with quadratics, we often use the identity a^2-b^2=(a+b)(a-b) to factor quadratic expressions of such a form. Using what you've learned about rationalizing denominators
When working with quadratics, we often use the identity a^2-b^2=(a+b)(a-b) to factor quadratic expressions of such a form. Using what you've learned about rationalizing denominators and complex conjugates, find and prove identities to easily factor expressions of these forms: a. a^2+b^2
b. a^2-b
Hint: your factored forms may look very similar to the factored form of a^2-b^2
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