Advertisements
Advertisements
प्रश्न
`4sqrt(7) xx 2sqrt(3)` =
पर्याय
`6sqrt(10)`
`8sqrt(21)`
`8sqrt(10)`
`6sqrt(21)`
Advertisements
उत्तर
`8sqrt(21)`
Explanation;
Hint:
`4sqrt(7) xx 2sqrt(3)` = `4 xx 2sqrt(7 xx 3)`
= `8sqrt(21)`
APPEARS IN
संबंधित प्रश्न
Simplify.
`5 sqrt 3 + 8 sqrt 3`
Simplify.
`9 sqrt 5 - 4 sqrt 5 + sqrt 125`
Simplify.
`sqrt 7 - 3/5 sqrt 7 + 2 sqrt 7`
Simplify.
`2 sqrt 48 - sqrt 75 - 1/ sqrt 3`
Simplify the following using multiplication and division properties of surds:
`sqrt(3) xx sqrt(5) xx sqrt(2)`
Simplify the following using multiplication and division properties of surds:
`sqrt(35) ÷ sqrt(7)`
Simplify the following using multiplication and division properties of surds:
`root(3)(27) xx root(3)(8) xx root(3)(125)`
Simplify the following using multiplication and division properties of surds:
`[sqrt(225/729) - sqrt(25/144)] ÷ sqrt(16/81)`
`(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 ______
