Question

49x49 by special identity

Answer 1

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HERE IS YOUR ANSWER

49 * 49

49 * ( 50 - 1 )

2450 - 49

2401.

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Answer 2

Answer:

2401

Step-by-step explanation:

49x49

=(50-1)(50-1)

=(50-1)^2

Using identity : (a-b)^2=a^2 + b^2 -2ab

we have, a=50, b=1

(50)^2+(-1)^2+2(50)(-1)

=2500+1-100

=2401

Hope it helps you!!