Advertisements
Advertisements
प्रश्न
Rationalize the denominator.
`5/sqrt 7`
Advertisements
उत्तर
`5/sqrt 7`
`= 5/sqrt 7 xx sqrt 7/ sqrt 7`
`= (5 sqrt 7)/(sqrt 7)^2 `
`= (5 sqrt 7)/7`
APPEARS IN
संबंधित प्रश्न
Rationalize the denominator.
`3 /sqrt5`
Rationalize the denominator.
`6/(9sqrt 3)`
Rationalize the denominator.
`11 / sqrt 3`
Write the simplest form of rationalising factor for the given surd.
`sqrt 32`
Write the simplest form of rationalising factor for the given surd.
`sqrt 50`
Write the simplest form of rationalising factor for the given surd.
`3/5 sqrt 10`
Write the simplest form of rationalising factor for the given surd.
`4 sqrt 11`
Write the lowest rationalising factor of : √24
Write the lowest rationalising factor of : √18 - √50
Write the lowest rationalising factor of : √13 + 3
Write the lowest rationalising factor of 15 – 3√2.
Find the values of 'a' and 'b' in each of the following :
`[2 + sqrt3]/[ 2 - sqrt3 ] = a + bsqrt3`
If x =`[sqrt5 - 2 ]/[ sqrt5 + 2]` and y = `[ sqrt5 + 2]/[ sqrt5 - 2 ]`; find :
x2
If m = `1/[ 3 - 2sqrt2 ] and n = 1/[ 3 + 2sqrt2 ],` find mn
If x = `2sqrt3 + 2sqrt2`, find: `1/x`
If x = 1 - √2, find the value of `( x - 1/x )^3`
Rationalise the denominator `1/sqrt(50)`
Find the value of a and b if `(sqrt(7) - 2)/(sqrt(7) + 2) = asqrt(7) + b`.
