## Book: NCERT - Mathematics

### Chapter: 9. Algebraic Expressions and Identities

#### Subject: Maths - Class 8th

##### Q. No. 1 of Exercises 9.5

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##### Find the following squares by using the identities.(i) (ii) (iii) (iv) (v) (vi)

(i) Using Identity

In the given expression

On substituting these values in the above identity, we get

=

(ii) Using Identity

In the given expression

On substituting these values in the above identity, we get

=

(iii) Using Identity

In the given expression

On substituting these values in the above identity, we get

=

(iv) Using Identity

In the given expression

On substituting these values in the above identity, we get

=

(v) Using Identity (a - b)2 = a2 - 2ab + b2

In the given expression a =

On substituting these values in the above identity, we get

(vi) Using Identity (a + b) 2 = a2 + 2ab + b2

In the given expression a =

On substituting these values in the above identity, we get

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