Math, asked by rrajkumari1978, 8 months ago

evaluate the following using suitable identity -
1)
  (5x - 2y) { }^{2}
2)
(3x + y {}^) {}^{2}
3)
(2x + 7y) {}^{2}
4)
(9x - 2y) {}^{2}





Answers

Answered by nidhi2248
0

Answer:

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