How do you do these? This is the formula and a sample question. a^3 + b^3 = (a + b)(a^2 - ab + b^2) b^3 - 8 Please, someone elxplain this to me * ^ means power
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I'll use instead of to avoid confusion with the variables: ...........So our identity says: So directly sub in our values:
Originally Posted by Needhelpatmaths How do you do these? This is the formula and a sample question. a^3 + b^3 = (a + b)(a^2 - ab + b^2) b^3 - 8 Please, someone elxplain this to me * ^ means power I guess you will have to be more specific in your question . I only see the formula . Perhaps you mean or
Kk thankyou
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