Class 10 Math All topics Quadratic Equations

If $a−b=1$ and $ab=12$, find the value of $(a_{2}+b_{2})$.

Solution: Given that, $a−b=1$ and $ab=12$

$a_{2}+b_{2}=(a−b)_{2}+2ab$

$=(1)_{2}+2(12)$

$=1+24$

$=25$ (Ans)

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introduction to trigonometry

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