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Α4 + β4 in α+ β and α β terms

1 Answer

8 votes

Explanation:


{ \alpha }^(4) + { \beta }^(4) = ( {( { \alpha }^(2) })^(2) + {( { \beta }^(2) })^(2)


= {( { \alpha }^(2) + { \beta }^(2) })^(2) - 2( { \alpha }^(2) )( { \beta }^(2) )


{( {( \alpha + \beta )}^(2) - 2 \alpha \beta ) }^(2) - 2( { \alpha )}^(2) ( { \beta )}^(2)

I hope it helped you

User Jfoliveira
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