Evaluate using identities of `79^2`

evaluate using suitable identities 1.(99)^(3)2.(103)^(3)

Evaluate 103xx97 by using identities .

Evaluate using suitable identity (ii) 97xx103

Evaluate by using suitable identity: (997)^(3) .

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

Evaluate the following using identities: (i) (105)^(2) (ii) (47)^(2) (iii) (8.3 xx 7.7)

solve using identity (7.1)(7.2)

Evaluate each of the following using identities: (a^(2)b-b^(2)a)^(2) (ii) (a-0.1)(a+0.1)

Evaluate each of the following by using identities: (0.99)^(2) (ii) 185xx185-115xx115

If x=3 and y=-1, find the values of each of the using identity: ((3)/(x)-(x)/(3))((x^(2))/(9)+(9)/(x^(2))+1)