Question

Find the value of 505 X 495 using algebraic identity.

Answer 1

Answer:

500+5*500-5

(500)^2-(5)^2

250000-25

249975

Answer 2

Step-by-step explanation:

505 × 495 = (500 + 5)(500 - 5)

(500 - 5)^2 = (500^2 + 5^2 - 2(500)(5))

=> 250000 + 25 - 5000 = 245025

Answer) 245025