Evaluate each of the following using identities: (i) (399)2 (ii) (0.98

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) $991 \times 1009$ (iv) $117 \times 83$

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) $991 \times 1009$

(iv) $117 \times 83$