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Grade: 10
        4(x2+2x+1)(x2+3x-2)+(x-3)2=(a2+bx+c)2
find a2+b2+c2
6 years ago

Answers : (2)

Nirmal Singh.
askIITians Faculty
44 Points
							
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Regards,
Nirmal Singh
Askiitians Faculty
6 years ago
mycroft holmes
272 Points
							4(x^2+2x+1)(x^2+3x-2)+(x-3)^2 = 4 (x+1)^2 [(x+1)^2+(x-3)]+(x-2)^2

= 4(x+1)^4 + 4 (x+1)^2 (x-3) + (x-3)^2 = [2(x+1)^2+(x-3)]^2 = [2x^2+5x-1]^2

So a=2, b=5, c=-1
						
6 years ago
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