75 6. In each of the following determine rational numbers a and b:
4+2
√3-1
3+1
a
- 63 (11), 2+√2
-VO
3 + √2
3-12
= a + b 2
4 +375
a - 677 (vi)
(iv)
5+33
✓11-√7
7 + 403
= a + b3(v)
√11+√7
=
4- 3.15 = a + bu5
4+2
√3-1
3+1
a
- 63 (11), 2+√2
-VO
3 + √2
3-12
= a + b 2
4 +375
a - 677 (vi)
(iv)
5+33
✓11-√7
7 + 403
= a + b3(v)
√11+√7
=
4- 3.15 = a + bu5
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