Question

in figure shown B, C, D lie on the same line. m triangle ecd=90 degrees and m (2 triangle cde) =m triangle cde =m triangle bac =m triangle ABC. the value of m triangle ACD is
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Answer 1

Answer:

If α , β are the roots of ax² + bx + c = 0 where a , b , c belong to Rational numbers then prove that

i] α + β is always rational

ii] α - β is always irrational

iii] αβ is always rational

iv] α , β are conjugate to each other