Advertisements
Advertisements
प्रश्न
`sqrt(27) + sqrt(12)` =
पर्याय
`sqrt(39)`
`5sqrt(6)`
`5sqrt(3)`
`3sqrt(5)`
Advertisements
उत्तर
`3sqrt(5)`
Explanation;
Hint:
`sqrt(27) + sqrt(12) = sqrt(9 xx 3) + sqrt(3 xx 4)`
= `3sqrt(3) + 2sqrt(3)`
= `5sqrt(3)`
APPEARS IN
संबंधित प्रश्न
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`
Multiply and write the answer in the simplest form.
`3sqrt 12 xx 7 sqrt 15`
Multiply and write the answer in the simplest form.
`5 sqrt 8 xx 2 sqrt 8`
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.
`4 sqrt 12 - sqrt 75 - 7 sqrt 48`
Simplify the following using addition and subtraction properties of surds:
`3sqrt(75) + 5sqrt(48) - sqrt(243)`
Simplify the following using multiplication and division properties of surds:
`[sqrt(225/729) - sqrt(25/144)] ÷ sqrt(16/81)`
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)`
