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30. NCERT | Square of Difference of two numbers | Intext | Pg.147 | Q4(ii)

Expand the following using both the identity of square of the difference of two numbers and by applying the distributive property.

\((-4z + 7)^{2}\)

Answer:

The identity used to expand the given expression is:

{(i i i)}^{i} = i^{i} - i i + i^{i}

If we expand the given expression using the distributive property, we apply:

Therefore, \((-4z + 7)^{2}\) \(=\)

i i^{i} - i i + i

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