Advertisements
Advertisements
Question
Multiply and write the answer in the simplest form.
`3sqrt8 xx sqrt5`
Solution
`3sqrt8 xx sqrt5`
`= 3 sqrt (4 xx 2) xx sqrt 5`
`=3xx2sqrt2xxsqrt5`
`= 6 sqrt 2 xx sqrt 5`
`= 6 sqrt 10`
APPEARS IN
RELATED QUESTIONS
Simplify.
`sqrt 7 - 3/5 sqrt 7 + 2 sqrt 7`
Multiply and write the answer in the simplest form.
`3 sqrt 12 xx sqrt 18`
Divide and write the answer in simplest form.
`sqrt 310 ÷ sqrt 5`
Simplify.
`4/7 sqrt 147 + 3/8 sqrt 192 - 1/5 sqrt 75`
Simplify.
`5sqrt 3 + 2 sqrt 27 +1/sqrt3`
Simplify the following using addition and subtraction properties of surds:
`5sqrt(3) + 18sqrt(3) - 2sqrt(3)`
Simplify the following using multiplication and division properties of surds:
`sqrt(3) xx sqrt(5) xx sqrt(2)`
If `sqrt(2)` = 1.414, `sqrt(3)` = 1.732, `sqrt(5)` = 2.236, `sqrt(10)` = 3.162, then find the values of the following correct to 3 places of decimals.
`sqrt(40) - sqrt(20)`
If `sqrt(2)` = 1.414, `sqrt(3)` = 1.732, `sqrt(5)` = 2.236, `sqrt(10)` = 3.162, then find the values of the following correct to 3 places of decimals.
`sqrt(300) + sqrt(90) - sqrt(8)`
`4sqrt(7) xx 2sqrt(3)` =
