NCERT - Mathematics

Book: NCERT - Mathematics

Chapter: 9. Algebraic Expressions and Identities

Subject: Maths - Class 8th

Q. No. 8 of Exercises 9.5

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8

Using find

(i) 1


(ii)


(iii)


(iv)

(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


=



8

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