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jaya
Questions (6)
an object 5cm lenght is placed at distance of 20cm in front of a convex mirror of radius of curvature 30 cm . find the position
1 answer
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Where does an object weight most?
1 answer
352 views
the diagonal of a rectangular plot is 250m long. If the length of a side is 125m, find the angle of the diagonal makes with this
1 answer
828 views
whay are the effective study techniques
1 answer
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principal=Rs.3,750,rate of interest=8%p.a,time=2years
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539 views
if the mass of protons are halved and that of neutrons doubled to that of the actual values, what percentage change would have
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Answers (4)
no
(x-alpha) (x-beta)(x-gama) = x^3 - 12 x^2 + 44x+c. So x^3 - x^2 (alpha+beta+gama)+ a(alphabeta+betagamma+gamma alpha)=alpha beta gama = x^3 - 12 x^2+44x+c, then alpha+beta+gama = -12.
use the equation M1V1 = M2V2
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