Which of the following identities is suitable to evaluate 97 × 103?
( + )( + )
( - )( + )
( − )^2
( + )^2
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Step-by-step explanation:
97 x 103 = (100-3) x (100+3) =(100)^2 - (3)^2
= 10000 - 9 = 9991
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