use the formula to find the values...
1) 502×498
2) 97×103
3) 54×46
4) 98×102
formula
Formula number 1 :-
(a+b) power2= a2 + 2ab + b2
Formula number 2 :-
(a-b) power2 = a2 - 2ab + b2
Formula number 3 :-
(a+b) (a-b) = a2 - b2
Answers
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u can find it easily.. try it on your own. just use the identities. u can take the help of 8th ncert book.. everything is mentioned so nicely in that book... it will make u understand and u will never forget it. i also practiced this chapter through that book only and now i love algebrae. try it!
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