A (a + 1,a -1), B(a² +1,a²-1 and C(a³ +1,a³-1) are given points D(11,9) is the mid point of AB and E (41,39) is the mid point of BC. If F is the mid point of AC then (BF)² is equal to?

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Deepak Kumar Shringi · Answer

mid point of AB=((a+1+a 2 +1)/2,(a-1+a 2 -1)/2)=(11,9) a 2 +a-20=0 ..(i) and also mid point of BC a 3 +a 2 -80=0........(ii) from (i) and (ii) a=4 now find A,B,C ,F by putting a

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A (a + 1,a -1), B(a² +1,a²-1 and C(a³ +1,a³-1) are given points D(11,9) is the mid point of AB and E (41,39) is the mid point of BC. If F is the mid point of AC then (BF)² is equal to?

A (a + 1,a -1), B(a² +1,a²-1 and C(a³ +1,a³-1) are given points D(11,9) is the mid point of AB and E (41,39) is the mid point of BC. If F is the mid point of AC then (BF)² is equal to?

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A (a + 1,a -1), B(a² +1,a²-1 and C(a³ +1,a³-1) are given points D(11,9) is the mid point of AB and E (41,39) is the mid point of BC. If F is the mid point of AC then (BF)² is equal to?

A (a + 1,a -1), B(a² +1,a²-1 and C(a³ +1,a³-1) are given points D(11,9) is the mid point of AB and E (41,39) is the mid point of BC. If F is the mid point of AC then (BF)² is equal to?

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