Question
Sun August 05, 2012 By: Priyamvada Mathur

sir i am unable to take out the answer of sums in roots.can you explain it to me.

Expert Reply
Sun August 05, 2012
The calculation becomes simpler if you factorise the numbers given under root sign and then you can make pairs of factors.
 
Example:
sqt (150*90*50*10)
= sqrt (3 * 5 * 10 * 3 * 3 * 10 * 5 * 10 * 10)
= sqrt (3 * 5 * 5 * 10 * 10 * 3 * 3 * 10 * 10)
= 5 * 10 * 3 * 10 sqrt (3)
= 1500 sqrt (3)
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