Question

13. If 72
and V
3
of each of the following, correct to one
decimal place :
1
1
(ii)
b
(1) 13-2
3+212
2
2-13
(iii)
13
4 - √5
14. Evaluate :
4 + √5
+
2
4 + √5
4-15
2-√5
2+ V5 = y; find the
2+V5
2-55
15. If
= x and
value of x2 - y2
2​

Answer 1

Answer:

6+8÷9090-+×=19083ekngvh hhf