Question

The value of 51² - 49² is _______​

Answer 1

512−492=200

Step-by-step explanation:

We have,

51²-49²=

using this identity: (a²- b²) = (a+b) (a-b)

(51+49) (51-49)

100 × 2

200 will be the answer

Answer 2

Answer:

Using the identity a² - b² = (a+b)(a-b)

=> (51+49)(51-49)

=> 100×2

=> 200