SOLUTION: I am trying to simplify radical expressions.. It says Assume that the variables are positive. Write "nonreal" if the expression does not represent a real number. The problem is sqr
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Question 431151: I am trying to simplify radical expressions.. It says Assume that the variables are positive. Write "nonreal" if the expression does not represent a real number. The problem is sqrt( 98 ). I know the answer is 7 sqrt ( 2 ) but I am not sure how I got that answer. How do I get from sqrt ( 98 ) to 7 sqrt (2) ?
Thanks!
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Factor out the largest square divisor of 98. Since , .
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