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Here, ∆ABC is a right angled triangle
By Pythagoras theorem;
AC^2 = AB^2+BC^2
or, AC^2 = 4a^2+4a+1+4a^4+8a^3+4a^2
or, AC^2 = 4a^4+8a^3+8a^2+4a+1
Now, when a =8;
AB = 17 units
BC = 144 units
AC =
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answer for the given problem is given
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