1
Question
Use suitable identities and find
(51)2 - (49)2
Use suitable identities and find
(51)2 - (49)2
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Solution
We know that
(a^2 - b^2)=(a+b)(a-b)
Similarly
(51^2-49^2)=(51+49)(51-49)
Which is equal to 100*2
=200
Hope this helps
(a^2 - b^2)=(a+b)(a-b)
Similarly
(51^2-49^2)=(51+49)(51-49)
Which is equal to 100*2
=200
Hope this helps
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