Which of the following elliptic curve is non-singular over Z5? A) y2=x3+2x+2 B) y2=x3+5x C)y2=x3+3x+1 D) y2=x3+4x+1
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=> (1/2)*{x(0 - b) + a(b - y) + 0(y - 0)} = 0
=> -bx + ab - ay = 0
=> bx + ay = ab
=> bx/ab + ay/ab = 1
=> x/a + y/b = 1
=> -bx + ab - ay = 0
=> bx + ay = ab
=> bx/ab + ay/ab = 1
=> x/a + y/b = 1
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Answer:A
Explanation:
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