Question

Plzz solve it...... ​

Answer 1

Answer:

for perfect square

D=0

(mn)^2 - 4(lm)(ln)=0

(mn)^2 = 4(l^2)(mn)

mn=4(l^2)

Answer 2

Answer:

$\huge \color{purple}\underbrace{HEY}$

$\huge \color{green} \boxed{\colorbox{lightgreen}{Answer :)}}$

Here:-

4(1^2)

$\huge \color{red} \boxed{\colorbox{pink}{itsSattu}}$