NCERT Class 9 Mathematics Solutions: Chapter 9 – Algebraic Expressions and Identities Exercise 9.5 Part 6

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Using formula to find the value

Using Formula to Find the Value

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Question 7: Using

(i)

(ii)

(iii)

(iv)

Answer:

(i)

(ii)

(iii)

(iv)

Question 8:

Using

(i)

(ii)

(iii)

(iv)

Answer:

(i)

(ii)

(iii)

(iv)