Question

. (a+√b)(a-√b) is equal to _________

Answer 1

Answer:

a²- b

Hope you find it helpful.

Answer 2

Answer:

please mark me as brainliest answer

Step-by-step explanation:

Just Think this way: you cold square both sides without changing the result right? So:

(a+b−−−−√)2  is in fact a+b

But:

(a−−√+b√)2  is

a−−√2+2a−−√b√+b√2=  

a+2×a−−√×b√+b  

So you See, they are not the same.