Question

guys please answer fast ....(a-b)^2 = a sq + b sq -2ab .....but the formula of (-a-b) ^2 = ???..... derive it... fast ​

Answer 1

$\huge{\mathfrak{Solution:-}}$

»(-a-b)²

»(-a-b)(-a-b)

» a² + ab + ab + b²

» a² + 2ab + b²

_______________________

Cheers❤✌