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)
6.(√3-√5) (√3+√5)
7.(2√3+√5) (√3+√2)
8.(3-√7) (2-√7)
9.(√7-3√5) (2√5+2√7)
10.(√3+√5) (2√3-√5)
Answers
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3
Answer:
1)6√5+15
2)2√5+2√7
3)√21+42
4)
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