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1. 3√5(2+√5)2.2(√5+√7)3.√7(√3+6√7)4.(√7-1) (2√7+6)5.(2+√3) (3√3-6) |
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Answer» Answer: 1.= 6√5+15 2.= 2√5+2√7 3.= √7√3+6√7+7 4.= 14+6√7-2√7-6 14-6+6√7-2√7 8+4√7 5.= 6√3-12+9-6√3 6√3-6√3=0 -12+9=-3 |
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