Q. 1. Verify identity (IV), for a = 2,
b = 3, x = 5.
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SORRY, I CAN'T UMDERSTAND YOUR QUESTION...... PLEASE TELL US WHICH IDENTITY......
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Answer:
(x+a)(x+b)
(5+2)(5+3)
x^2+(a+b)x + ab
5^2+(2+3)×5+2×3
25+25+6
56
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