NCERT - Mathematics

Book: NCERT - Mathematics

Chapter: 9. Algebraic Expressions and Identities

Subject: Maths - Class 8th

Q. No. 1 of Exercises 9.5

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1

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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