Question

(a+root b ) (a-rootb) = a2-arootb+arootb-rootb2

Answer 1

Answer:

(a+root b ) (a-rootb) = a2-arootb+arootb-rootb2 are equal

step-by-step:

(a+√b)(a-√b)=a^2-a√b+a√b-√b^2

here (a+b)(a-b)=a^2-b^2

so a^2-√b^2=a^2-b

a^2-b=a^2-b hence it proved

I hope it helps you ☺️☺️