(a+b)²-1.
please solve this question
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Answered by
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( a + b ) ² - 1
Using the identity
• ( a + b ) ² = a² + 2ab + b²
Answer ➡ a² + 2ab + b² - 1
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(3x-2y)²-9z²
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Answered by
0
Answer:
(a+b)^2 - 1
(a^2 +2ab+b^2) -1
-a^2 -2ab-b^2
a^2 +2ab+b^2
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