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(4√3+2)(√3-1)=12-4√3+2√3-2=10-2√3
3-√7=3-√7 * 2+√7= 6+3√7-2√7-7= -1+√7
2-√7 2-√7 2+√7 4-7 -3
1+7√5= 1+7√5 * 1+√5 = 1+√5+7√5+35= 36+8√5 = 4(9+2√5)=-9-2√5
1-√5 1-√5 1+√5 1-5 -4 -4
4+√3 = 4+√3 * √3+√2 = 4√3+4√2+3+√6=4√3+4√2+√6+3
√3-√2 √3-√2 √3+√2 3-2
a)
b)
2-√7 2-√7 2+√7 4-7-3
c)
1+7√5= 1+7√5 *1+√5 = 1+√5+7√5+35= 36+8√5 =9+2√5)=-9-2√5
d)
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(4√3+2)(√3-1)=12-4√3+2√3-2=10-2√3
3-√7=3-√7 * 2+√7= 6+3√7-2√7-7= -1+√7
2-√7 2-√7 2+√7 4-7 -3
1+7√5= 1+7√5 * 1+√5 = 1+√5+7√5+35= 36+8√5 = 4(9+2√5)=-9-2√5
1-√5 1-√5 1+√5 1-5 -4 -4
4+√3 = 4+√3 * √3+√2 = 4√3+4√2+3+√6=4√3+4√2+√6+3
√3-√2 √3-√2 √3+√2 3-2
a)
(4√3+2)(√3-1)=12-4√3+2√3-2=10-2√3
b)
3-√7=3-√7 * 2+√7= 6+3√7-2√7-7= -1+√7
2-√7 2-√7 2+√7 4-7-3
c)
1+7√5= 1+7√5 *1+√5 = 1+√5+7√5+35= 36+8√5 =9+2√5)=-9-2√5
1-√5 1-√5 1+√5 1-5 -4 -4
d)
4+√3 = 4+√3 * √3+√2 = 4√3+4√2+3+√6=4√3+4√2+√6+3
√3-√2 √3-√2 √3+√2 3-2