Answer :

(a) Irrational

As √11 is irrational number

Multiplying it with 5

Also get irrational number

(b) √3 + 5

Conjugate surds are surds which are having same terms but having different symbol( + to- and – to + ) in between both the terms.

(c) Conjugate Surds

While product of conjugate surds

They get square to become rational number

While sum of conjugate surds

They get cancel to become rational number

Rate this question :

In each of the foWest Bengal Board - Mathematics

If <span lang="ENWest Bengal Board - Mathematics

If we subtract <sWest Bengal Board - Mathematics

Let us write a raWest Bengal Board - Mathematics

The highest powerWest Bengal Board - Mathematics

If <span lang="ENWest Bengal Board - Mathematics

Let us rationalizWest Bengal Board - Mathematics

Let us write simpWest Bengal Board - Mathematics

Let us write the West Bengal Board - Mathematics

Let us fill in thWest Bengal Board - Mathematics