Math, asked by deepakchugh08, 1 year ago

Find the product of(2a+7b) (2a-7b)

Answers

Answered by mdurga7799p50yjg
12
⭐✔HOPE IT HELPS YOU⭐✔
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preeti8468: yeah its Right
Answered by MoonlightPhoenix
5

\mathfrak{Answer }

  • \textsf{Final answer -56ab  }

\mathfrak{⚛\ Step\;-by\;-\;step\; explanation\;⚛: }

  • \textsf{(2a-7b)²-(2a+7b)² }

  • \textsf{=(2a-7b-2a-7b)(2a-7b+2a+7b) }

  • \textsf{= -14b×4a }

  • \textsf{= -56ab ✔  }

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\tt{✝\;dentity \;used \;here \; ✝}

  • \mathbb{(a²+b²)\; = \;(a²-b²) }
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