1.

If a/b=5/2 then find the value of (a)^2+(b)^2/(b)^2​

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ANSWER:

Step-by-step EXPLANATION:

Given\ that \ \frac ab=\frac52\\\\Now \\\\\frac{a^2+b^2}{ b^2}\\\\=\frac{a^2}{b^2} +\frac{b^2}{b^2}\\\\=(\frac ab)^2 +1\\\\=(\frac52)^2 +1\\\\=\frac {25}{4}+1\\\\=\frac { 25+4}{4}\\\\\bf=\frac { 29}{4}


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