3√2+7√2-5√2=
14√2
5√2
√2
15√2
Value of (2√2)3 =
8√2
16√2
4√2
2√2x3
(√a+√b)(√a-√b)=
a+b
a+2√ab+b
a-2√ab+b
a-b
Which of the following is a perfect square?
2
3
4
5
If √a=0.2, then the value of a3/2=
0.08
0.008
0.8
0.006
(2+√3) (2-√3)=
1
7
an
bn
a1/n. b1/n
ab
If , then x=
-3
±3
9
If (x+5)2=576; then the positive value of x=
24
19
29
Of the following, which is not a perfect square.
25
36
13
49
