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Question

Match the following identities with their expansion.
  1. (x+a)(xa)
  2. (x2+2xa+a2)
  3. (x22xa+a2)


Solution

The correct option is
The identities are :
  • (x2a2)=(x+a)(xa)
  • (xa)2=(x22xa+a2)
  • (x+a)2=(x2+2xa+a2)

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