Question

please solve these questions:
1. If a=7-4√3,find √a+1/√a.
2. If a=√3-√2/√3+√2 and b=√3+√2/√3-√2 find the value of a^2+b^2-5ab.
3. if x=√2+1/√2-1 and y=√2-1/√2+1,find the value of x^2+y^2+xy.
4. find 4√(625)^2
5. find( 7^-4/4^-2)
6. simply 1) 13.5√32- 7.4√625+3√729.
8. 4√16-6.3√343+18*5√243-√196.
9. if z=0.064,find (1/z)^1/3.
10. find 4√36^-2.
11. simply (243/32)^-4/5

Answer 1

Answer:

Better you search in Google.

Explanation:

Ok,borr.