1.

Evaluate each of the following using identities:(i) (399)2(ii) (0.98)2(iii) 991 ☓ 1009(iv) 117 ☓ 83

Answer» Evaluate each of the following using identities:



(i) (399)2



(ii) (0.98)2



(iii) 991 ☓ 1009



(iv) 117 ☓ 83


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