Advertisements
Advertisements
Question
Which of the following statement is false?
Options
The square root of 25 is 5 or −5
`-sqrt(25)` = −5
`sqrt(25)` = 5
`sqrt(25)` = ± 5
Solution
`sqrt(25)` = ± 5
APPEARS IN
RELATED QUESTIONS
Multiply and write the answer in the simplest form.
`3 sqrt 12 xx sqrt 18`
Multiply and write the answer in the simplest form.
`5 sqrt 8 xx 2 sqrt 8`
Divide and write the answer in simplest form.
`sqrt98 ÷ sqrt 2`
Divide and write the answer in simplest form.
`sqrt 54 ÷ sqrt 27`
Simplify the following using addition and subtraction properties of surds:
`5sqrt(3) + 18sqrt(3) - 2sqrt(3)`
Simplify the following using addition and subtraction properties of surds:
`4root(3)(5) + 2root(3)(5) - 3root(3)(5)`
Simplify the following using addition and subtraction properties of surds:
`5root(3)(40) + 2root(3)(625) - 3root(3)(320)`
Simplify the following using multiplication and division properties of surds:
`[sqrt(225/729) - sqrt(25/144)] ÷ sqrt(16/81)`
When `(2sqrt(5) - sqrt(2))^2` is simplified, we get
The length and breadth of a rectangular plot are 5 × 105 and 4 × 104 metres respectively. Its area is ______
