Question

Rationalize the denominator
of 1
√7-√4​

Answer 1

Answer:

√7-√4

______

3

Step-by-step explanation:

1

__________

√7-√4

R.F. Of √7-√4 Is √7+√4

So , 1 √7+√4 √7+√4

_________× __________ = ___________

√7-√4 √7+√4 (√7)²-(√4)²

(Because, (a+b) (a-b) = a²-b²)

Therefore, √7-√4

_________

7-4 (Because, √,² Gets Cancelled)

We Got The Answer = √7-√4

_________

3