Question

Show that (3-7²) is not equal to 3²-7²​

Answer 1

yes it is not equal as there are 2 diffrent

identites

Answer 2

(√3+√7)²

We know that,[(a+b)²=a²+2ab+b²]

=>(√3+√7)²=(√3)²+2(√3)(√7)+(√7)²

=>(√3+√7)²=3+2√21+7

=>(√3+√7)²=10+2√21 the ok follow me ✌️ samile ✌