Advertisements
Advertisements
प्रश्न
Multiply and write the answer in the simplest form.
`3sqrt 12 xx 7 sqrt 15`
Advertisements
उत्तर
`3sqrt 12 xx 7 sqrt 15`
`= 3 sqrt (4 xx 3) xx 7 sqrt(5xx3)`
`=3xx2xxsqrt3xx7sqrt5xxsqrt3`
`=3xx2xx7xxsqrt3xxsqrt3xxsqrt5`
`=42xx3xxsqrt5`
`= 126 sqrt 5`
APPEARS IN
संबंधित प्रश्न
Simplify.
`9 sqrt 5 - 4 sqrt 5 + sqrt 125`
Simplify.
`7 sqrt 48 - sqrt 27 - sqrt 3`
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.
`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.
`5sqrt 3 + 2 sqrt 27 +1/sqrt3`
Simplify.
`4 sqrt 12 - sqrt 75 - 7 sqrt 48`
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 multiplication and division properties of surds:
`(7sqrt("a") - 5sqrt("b")) (7sqrt("a") + 5sqrt("b"))`
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)`
Which of the following statement is false?
`4sqrt(7) xx 2sqrt(3)` =
`(0.000729)^((-3)/4) xx (0.09)^((-3)/4)` = ______
The length and breadth of a rectangular plot are 5 × 105 and 4 × 104 metres respectively. Its area is ______
