Question

Using Identies evaluate the sum 51²-49² ​

Answer 1

Answer:

2² is the answer

Step-by-step explanation:

mark me brainlist

Answer 2

Answer:

200

Step-by-step explanation:

We know that,

$a^{2} -b^{2} =(a + b)(a - b)$

So,

$51^{2} -49^{2} = (51+49)(51-49)\\= 100 * 2\\=200$