Question

find the value of 51^2-49^2

Answer 1

Answer:

249999

Step-by-step explanation:

(50-1)(50+1)

250000-1

=249999

Answer 2

Answer:

51²-49² = (51+49)(51-49)

Step-by-step explanation:

we use the formula a²-b² =(a+b)(a-b)

so the answer will be :-...

(51+49)(51-49) = 100 X 2 = 200.

Ans = 200.

If we don't use the formula then also 59²-49² = 2601-2401=200.