Question

rationalise the given​

Answer 1

Step-by-step explanation:

√81+√256+√196

we know that √81=9,√256=16,√196=14

then,

9+16+14=39.

Answer 2

$\sqrt{81} + \sqrt{256} + \sqrt{196}$

$= 9 + 16 + 14$

$= 39$