Question

a²/b²+2+b²/a²
factorise it​

Answer 1

Answer:

$[(a/b)+(b/a)]^{2}$

Step-by-step explanation:

$a^{2}/b^{2}$ + 2 + $b^{2}/a^{2}$

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

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

hope this answer helps you