103 × 97
Solve Using suitable identities ......
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Answered by
21
Answer:
Step-by-step explanation:
103*97
(a+b)(a-b) =a2-b2
(100+3)(100-3)
10000-9
9991
rockeinstien:
ur welcome
Answered by
10
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103×97
=(100+3)×(100-3)
=100^2-3^2 (a+b)×(a-b)=a^2-b^2
=10000-9
=9991
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