Question

6. Simplify by rationalising the denominator.
713-5,2
48 +18
7. Simplify
4 + 15 4-5
4-√5 + √5
2.
3
√3+ /2 √5-√ √2-√5
2+√3 2-√ √3-1
2-√3 2+√3 √3+1
2/6 6/2 83
2 + 73 76+3 6+ 2
8. Prove that
20
21
+
22.
(2011
+
+
17+46
23
+
+
+
24
+
25
1
(i)
3+√7 F+ √5 √5 + √ √3+1
1
1
1
1
1 1+ /2 √2 + √3 3 + 4 + √5 √5 + ſ6 ſ6+7
1
1
√7+ √8 8+
9. Find the values of a and bif
7+3
5 7-3,5
-=a+b√5.
3+5 3-√5
13 - 11/13 - 11
10. Simplify
13 + 11 V13-11
11. If x = 3 + 2/2, check whether +
1
is rational or irrational.
+
12. If x=2 - 1/3, find the value of (x - )
13. If x = 9-4/5, find the value of x'+
2
1
2
5-/21
14. If x=
2
find the value of x +
15. If a = 3-2/2, find the value of a
1
a? -
a​

Answer 1

Answer:

can you send it in image. I don't understand your question in this way