Math, asked by hanan1359, 15 days ago

derive this formula

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Answers

Answered by bagkakali

0

Answer:

(L1-L2)^2

=L1^2-2L1L2+L2^2

=L1^2+2L1L2+L2^2-4L1L2

=(L1+L2)^2-4L1L2 ( proved)

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