CUSAT 2021 BTech Solved Paper Shift 2

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Question : 142 of 250

Marks: +1, -0

If sin‌α,cos‌α are the roots of the equation ax2+bx+c=0(c≠0), then

a2−b2+2ac=0
(a+c)2=b2−c2
a2+b2−ac=0
(a−c)2=b2+c2

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