Question

1. Which of the following identities is the false identity ?
(i) ( a +Vb) (a - V b ) = a²-b²
(ii) (va + vb )² = a + 2 v ab + b
(iii) (Va + vb) (va - Vb ) = a - b
(iv) none of these.
tional?​

Answer 1

Answer:

3rd option is wrong

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