Algebraic Expressions and Identities-Sample Questions
SAMPLE PAPER
Algebraic Expressions and Identities
Algebraic Expressions and Identities
1. Find (2x + 3y)2 using algebraic identities.
2. Using suitable identities find (1092)2.
3. Using the identity (a-b)2 = a2 � 2ab + b2, find (5a � 7b)2.
4. Find 194 * 206 using suitable identity.
5. Use a suitable identity to find the product of (3a � 1/3)(3a � 1/3).
6. The length and breadth of a rectangle are 3x2 � 2 and 2x+ 5 respectively. Find its area.