Question

In a equation of 2+b=-4 & Lb=-1 then requried equation is

Answer 1

Answer:

ANSWER

(a+b)

2

=4absin

2

θ

(a−b)

2

=(a+b)

2

−4ab

=4absin

2

θ−4ab

=−4abcos

2

θ

(a−b)

2

≥0∀a,b⇒cosθ=0⇒(a−b)

2

=0⇒a=b

Step-by-step explanation:

I hope it will help you please thanks my answer and follow me i will follow back to you