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Please prove that question 17 .............. ........... ............

Please prove that question 17
..............
........... ............ 

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Grade:12th pass

1 Answers

Aditya Gupta
2075 Points
one year ago
given 9a^2+b^2+6ab= c^2
or (3a+b)^2= c^2
or 3a+b= ± c
case 1: 3a+b= – c
or a*3 + b*1 + c= 0
in this case obviously the line passes through the fixed point (3, 1)
case 2:
3a+b= c
or a*(–3) + b*(–1) + c= 0
in this case obviously the line passes through the fixed point (–3, –1)
kindly approve :)

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