R.D. Sharma Solutions Class 9th: Ch 4 Algebraic Identities Exercise 4.4

Chapter 4 Algebraic Identities R.D. Sharma Solutions for Class 9th Math Exercise 4.4 

Exercise 4.4

1. Find the following products:

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2. If x = 3 and y = − 1, find the values of each of the following using in identify:

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3. If a + b = 10 and ab = 16, find the value of a2 − ab + b2 and a2 + ab + b2

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