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What is the square root of 135

Answers (1)

135 = 3x3x3x5

√135 = 3√(15)

         = 3 (16 -1)1/2

         = 3x4(1 - 1/16)1/2  using bionomial expansion

         = 12(1-1/32)

         = 11.62

 

Posted by

Ravindra Pindel

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