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THIS IS IN REFERENCE WITH http://targetiit.com/iit_jee_forum/posts/help_3741.html AND MANY SIMILAR POSTS LAST TWO DIGITS OF 3100 3100 = (310)10 = ((32)5)10 (32)5 = 9x9x9x9x9 = 729x9x9// WE TAKE ONLY LAST 2 DIGITS OF 729 // AN ...
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q1)the ka1=5.6x10-2 ka2=6.2x 10-5 ksp=3.5x10-11 for oxalic acid,the solubility of this acid in a aqueous solution of ph=5.0 is a)9.9x10-3 b)10-2 c)10-4 d)9.9x10-5 ...
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Prove that from a point (a,b) of the circle x(x-a) + y(y-b) = 0, two chords, each bisected by the axis of x (rather x-axis), can be drawn if a2>8b2 [This is not my doubt, so provide complete solution for everyone's benefit ...