Question

Q2. Subtract the following:
iii g2 + h2 -2gh from g2 + H2 +2gh
??
+​

Answer 1

Answer:

$g^{2} +h^{2} +2gh-(g^{2} +h^{2} -2gh)\\=g^{2} +h^{2} +2gh-g^{2} -h^{2}+2gh\\=4gh$

Step-by-step explanation:

Answer 2

(g2+h2-2gh)-(g2+H2+2gh)

=4gh

because

g2cut g2

and

h2cut h2

2gh+2gh