Questions asked by theindianroopy

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• Why can you only add oleum to water to get SO2(g) industrially instead of adding SO3(g) to H2O(l) immediately?
  
• The equation of the curve is given by #y=x^2+ax+3#, where #a# is a constant. Given that this equation can also be written as #y=(x+4)^2+b#, find (1) the value of #a# and of #b# (2) the coordinates of the turning point of the curve Someone can help?
  
• Find the coordinates of the points where the straight line #y=2x-3# intersects the curve #x^2+y^2+xy+x=30#. Help please?
  
• Find the coefficient of #x^3# in the expansion of #(1+3x)^8# ?
  
• Given that #tan2A = 3/4# and that the angle #A# is acute, calculate, without using tables, the values of: (i) #cos2A# (ii) #sinA# (iii) #tanA# (iv) #tan3A# ?
  
• Solve the simultaneous equations #2x+y=8.......................................(1)# #4x^2+3y^2=52.......................(2)# ?
  
• How to solve the following simultaneous equations: #2x+y=8# #4x^2+3y^2=52# ??
  
• How to write 0.0346 in standard form?
  
• How to work out #/17^2-15^2#?
  
• The ratio of two numbers is 4:5. The smaller number is 240. What is the larger number?
  
• Compare the composition of blood, tissue fluid, and lymph?
  
• Can someone please help with this ***KINEMATICS*** question?
  
• Can someone please help with this FUNCTIONS question?
  
• If #x+2# is a factor of #f(x)=2x^3-3x^2-4x+a# , find the value of #a#?
  
• Solve the equation #3^(2x) -9(3^(2x))=8#?
  
• Please help. I'm not sure how to do this quickly without multiplying it all out?
  
• Please help with this differentiation question?
  
• Can someone please help with this **logarithms** question?
  
• Can someone help me with this PROBABILITY question? Please.
  
• When the expression #2x^3 + ax^2 -5x -2# is divided by #2x-1#, the remainder is #-3.5# . Determine the value of the constant #a#. Can someone please help?
  
• The function #f# is defined by #f(x)=1-x^2#, #x sub RR#. Show that #f# is NOT one-to-one. Can someone help me please?
  
• Can someone help me with this multiple choice question? Vectors
  
• Can someone please explain why the answer is (D) in this question?
  
• Can someone help me with this add maths multiple choice question?