Addition and Subtraction of Numbers with Square Root
Trending Questions
If x=√5+2, then find the value of x−1x.
4
2
2√5
√5
If x+√15=4, then find the value of x+1x.
4
8
1
2
(164)∘+(64)−12−(−32)45
is equal to
1618
−1578
−1478
1718
- 1.414
- 0.235
- 0.717
- 0.471
The value of √5+2√6 is
√3−√2
√3+√2
√5+√6
none of these
If x−1x=√3, then find the value of x3−1x3.
7√3
3
6√3
√3
The picture shows an equilateral triangle cut into 2 halves by a line through a vertex A.
What is the difference between the perimeter of the triangle ABC and the perimeter of ABO?
√3 units
3 - √3 units
3 units
3 + √3 units
What is the approximate value of √2 +√3 ?
3.6
2.8
2.6
3.146
What is the difference in perimeters of triangles ABC and ACD in the given figure ABCD? (Take √2 = 1.4 and √5 = 2.2)
0.8 m
0.6 m
0.3 m
0.4 m
- 1200343
- 3611489
- 3600361
- 4410349
If x=1−√2, find the value of (x−1x)3
13
14
8
22
(i) (7)3×213 (ii) (121)3×333
(iii) (169)2132 (iv) (2∘+3∘)5225
What is the difference in perimeters of the 9th and 8th triangles in the Spiral of Theodorus?
0.3335 units
0.4338 units
0.3338 units
0.3348 units
Subtraction between a new number and a whole number or a fractional number gives us a
- new number
- natural number
- whole number
Rationalise 1√3+√2
What is the difference in perimeters of the 17th and 16th triangles in the Spiral of Theodorus?
0.2436 units
0.4426 units
0.2426 units
0.3426 units
- 1
- √7
- 8−2√7
- √7−1
If √2=1.414, then the value of √6−√3 upto three places of decimal is ______ .
0.717
0.235
1.414
0.471
A square has a diagonal that measures inches.
Which of the following is the length of its perimeter?
None of these
If x=√6+√5, then x2+1x2−2=
2√6
2√5
24
20