Saturday 17 December 2011

Simple application of |x|

Square root of 4 is

Positive Square root of 4 is
2

Positive square root of x is denoted by


In general,


When we say IN WORDS "Square root of 4" it means


However when we say "Positive square root of 4" or symbolically it equals 2

1 comment:

  1. taking care of seemingly trivial things in a serious way was taught by my teacher Prof TKV Iyengar at NIT-Warangal

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