Find distance between the points R(a+b,a-b) s(a-b,-a-b)
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We have to find the distance between the points\xa0R(a + b ,a – b) and S(a – b, – a – b).Using distance formula, we obtainRS =\xa0{tex}\\sqrt { ( a – b – a – b ) ^ { 2 } + ( – a – b – a + b ) ^ { 2 } }{/tex}=\xa0{tex}\\sqrt { 4 b ^ { 2 } + 4 a ^ { 2 } } = 2 \\sqrt { a ^ { 2 } + b ^ { 2 } }{/tex}
what is the number (s) of zeros that a quadratic polynomial has/have