## Chapter 2 Polynomials RD Sharam Solution for Class 9th Maths

Chapter 2: Exponents Of Real Numbers Exercise – 2.1 Question: 1 Simplify the following: (i) 3(a4 b3)10 × 5 (a2 b2)3 (ii) (2x-2 y3)3 Solution: (i) 3(a4 b3)10 × 5 (a2 b2)3 = 3(a40 b30) × 5(a6 b6) = 15 (a46 b36) (ii) (2x-2 y3)3 (23 × -2 × 3 y3 × 3) = 8x-6y9 Question: 2 If a = 3 and b = – 2, find the …