Question

given that0%7D%20%20calculate%20%5Csqrt%7B250%7D%20-%5Csqrt%7B490%7D" id="TexFormula1" title="\sqrt{250} =5\sqrt{10} and \sqrt{490} = 7\sqrt{10} calculate \sqrt{250} -\sqrt{490}" alt="\sqrt{250} =5\sqrt{10} and \sqrt{490} = 7\sqrt{10} calculate \sqrt{250} -\sqrt{490}" align="absmiddle" class="latex-formula">

Answer 1

Answer:

√250 - √490

= 5√10 - 7√10

= -2√10