Math, asked by laxmilisha19gmailcom, 1 year ago

plzz answer the question ​

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Answered by archanasingh59454
0

Answer:

Step-by-step explanation:

Play take alpha and beta as A and B.

Ok then x2 - 2x-7

A2+ B2= (a + B)2-2ab so

Find value of a and B and then substitute in this equation

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