Question

a2/b2+2+b2/a2 factorise

Answer 1

$\frac{a^2}{b^2}$ + 2 + $\frac{b^2}{a^2}$

$\frac{(a^4 + b^4)}{(a^2b^2)}$   +  2

$\frac{(a^2 + b^2)^2 - 2a^2b^2)}{ a^2b^2}$ + 2

$\frac{(a^2 + b^2)^2 - 2a^2b^2) +2a^2b^2}{a^2b^2}$

$\frac{(a^2 + b^2)^2}{a^2b^2}$

$\frac{(a^2 + b^2)^2}{(ab)^2}$

$\frac{a^2 + b^2}{ab}$

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