Find the value of 251² - 249² using
appropriate identity
Answers
Answered by
2
Answer:
1000
Step-by-step explanation:
use identity. (a+b) (a-b)= a square - b square
Attachments:
Answered by
1
Answer:
251² - 249²
We know that
a^2 - b^2 = (a + b)(a - b)
251² - 249² = (251 + 249)(251 - 249)
251² - 249² = (500)(2)
251² - 249² = 1000
Similar questions