can anyone solve this question in a notebook pls , this question is from coordinate geometry chapter of class 10th
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Prove that the distance between (at*2,2at) and(a/t*2,-2a/t) is a(t+1/t)*2
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= V[(at²-a/t)² + (2at+2a/t)²]
= V[a*²{t*-1/t)² + 4a²(t+1/t)°] %3D
= V[at²+1/t²-2) + 4a (t²+1/t²+2)]
= a v(t*+1/t*-2+4t?+4/t2+8)
= a v (t*+4t?+6+4/t?+1/t*)
= a v (t + 1/t)*
= a v [(t + = a (t + 1/t)?
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