Surd and Indices

Vedic Maths trick to calculate Surd and Indices.

Q.1) If 21x = √45y , then find the value of x.

21x = √45y

Square at the both side

(21x)2 = 45y

22x = 45y

21 * 2x = 22 * 5y

22x = 210y

2x = 10y

x = 10 / 2 y

x = 5 y

The value of x = 5 y