simplify the following
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{4+√5}/{4-√5} + {4-√5}/{4+√5}
» {4+√5}/{4-√5} × {4+√5}/{4+√5} + {4-√5}/{4+√5} × {4-√5}/{4-√5}
» {4+√5}²/{4-√5}{4+√5} + {4-√5}²/{4+√5}{4+√5}
» 4²+√5²+2(4)(√5)/(4²-√5²) + 4²+√5²-2(4)(√5)/(4²-√5²)
» (16+5+8√5)/11 + (16+5-8√5)/11
» {21+8√5+21-8√5}/11
» 42/11
hope it helps……
» {4+√5}/{4-√5} × {4+√5}/{4+√5} + {4-√5}/{4+√5} × {4-√5}/{4-√5}
» {4+√5}²/{4-√5}{4+√5} + {4-√5}²/{4+√5}{4+√5}
» 4²+√5²+2(4)(√5)/(4²-√5²) + 4²+√5²-2(4)(√5)/(4²-√5²)
» (16+5+8√5)/11 + (16+5-8√5)/11
» {21+8√5+21-8√5}/11
» 42/11
hope it helps……
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