Write the Lowest Rationalising Factor of : √13 + 3

Write the lowest rationalising factor of : √13 + 3

योग

( √13 + 3 )( √13 - 3 ) = ( √13 )² - 3² = 13 - 9 = 4

Its lowest rationalizing factor is √13 - 3.

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Rationalisation of Surds

क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

अध्याय 1: Rational and Irrational Numbers - Exercise 1 (C) [पृष्ठ २१]

अध्याय 1 Rational and Irrational Numbers
Exercise 1 (C) | Q 2.7 | पृष्ठ २१

Rationalize the denominator.

`11 / sqrt 3`

Write the simplest form of rationalising factor for the given surd.

`3/5 sqrt 10`

Write the lowest rationalising factor of : √18 - √50

Find the values of 'a' and 'b' in each of the following:
`( sqrt7 - 2 )/( sqrt7 + 2 ) = asqrt7 + b`

If x =`[sqrt5 - 2 ]/[ sqrt5 + 2]` and y = `[ sqrt5 + 2]/[ sqrt5 - 2 ]`; find : y²

If m = `1/[ 3 - 2sqrt2 ] and n = 1/[ 3 + 2sqrt2 ],` find m²

If x = 1 - √2, find the value of `( x - 1/x )^3`

If √2 = 1.4 and √3 = 1.7, find the value of : `1/(√3 - √2)`

Rationalise the denominator `1/sqrt(50)`

Find the value of a and b if `(sqrt(7) - 2)/(sqrt(7) + 2) = asqrt(7) + b`.