Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Groups
Community ▾
A
A
Which number is √(11 + 2√30)? | StemPy Lab
Quizzes
/
Which number is √(11 + 2√30)?
Mathematics
Hard
High School (9–10)
General
Number Systems › Exponents and Radicals
Number Systems › Rational and Irrational Numbers
Created by
StemPy Lab
Which number is
11
+
2
30
\sqrt{11 + 2\sqrt{30}}
11
+
2
30
?
6
+
5
\sqrt{6} + \sqrt{5}
6
+
5
11
+
30
\sqrt{11} + \sqrt{30}
11
+
30
10
+
3
\sqrt{10} + \sqrt{3}
10
+
3
15
+
2
\sqrt{15} + \sqrt{2}
15
+
2
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← A number is given as x = 3 + √8. Work out the value of x² + 1/x².
(5 + √3)/(5 - √3) = a + b√3, with a and b rational. Find a and b. →
More on
Number Systems › Exponents and Radicals
Number Systems › Rational and Irrational Numbers
Discussion (0)
Log in
to join the discussion.
Loading…
Simplify, using the laws of exponents. 5^(3/4) × 5^(1/4); (6^(1/3))⁶; 2^(1/2) × 18^(1/2)
Medium
Find the value of 27^(4/3), 243^(2/5) and 625^(-1/4).
Medium
Find the value of 169^(1/2), 1000^(1/3), 243^(1/5) and 256^(1/4).
Easy
Find the rational numbers a and b if (√6 - 2)/(√6 + 2) = a - b√6.
Hard
All problems on this topic →