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(√5+√3)/(√5-√3)+(√5-√3)/(√5+√3) |
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Answer» Answer: 8 Step-by-step EXPLANATION: =[(√5 +√3)/(√5-√3) × (√5+√3)/(√5+√3)] + [(√5-√3)/(√5+√3) × (√5-√3)/(√5-√3)] =[(√5+√3)²/(√5²-√3²) + (√5-√3)²/(√5²-√3²)] =[(5+3+2√15)/5-3 + (5+3-2√15)/5-3] =8+2√15/2 + 8-2√15/2 =4+√15+4-√15 =8 |
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