Question

find the area of isosceles triangle whose one side is 4m greater is equal size and premeter 40m
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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