1) tan (y / x) + log x = c 2) log (x / y) + log x = c 3) log (x / y) + tan x = c 4) tan (x / y) + tan x = c Solution: (1) tan (y / x) + log... View Article
CNA 22nd June 2021:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related POLITY AND GOVERNANCE 1. Centre moots ban on ‘flash... View Article
Two sets A and B are as under : A = {(a,b) ∈R×R:|a-5| < 1 and |b-5| < 1}B = {(a,b) ∈R×R: 4(a-6)2+9(b-5)2 ≤ 36}. Then:a) A⋂B = phi(an empty... View Article
a) contains exactly two elements.b) contains exactly four elements.c) is an empty set.d) contains exactly one element.Solution:2|√x-3|+√x(√x-6)+6... View Article
If the system of linear equations : x+ky+3z = 03x+ky-2z = 02x+4y-3z = 0has a non-zero solution (x, y, z), then xz/y2 is equal to :a) -30b) 30c)... View Article
a) 85b) 95c) 195d) 185Solution:Equation of tangent at (1, 7) to x2 = y-6 is 2x-y = -5.It touches circle x2+y2+16x+12y+c = 0.Hence length of... View Article
Solution: Molecular mass of Histamine= 111 In Histamine, 3 nitrogen atoms are present (42g) The percentage of nitrogen by mass in Histamine =... View Article
Solution: On applying Faraday’s 1st law, Moles of Ag deposited= 108/108= 1 mol. Ag+ + e- -> Ag 1Faraday is required to deposit 1 mole of Ag.... View Article
Solution: NaCl is strong electrolyte and gives 2 ions in the solution. This implies, i = 2. Molarity = (w×1000)/58.5×600 ΔTf = 0.20C ΔTf = i... View Article
Solution: Hardness of water is measured in ppm in terms CaCO3. nCaCO3 = nMgSO4 ppm is the parts (in grams) present per million i.e, 106... View Article