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  1. n.karthick

    Rearranging equations

    Note ax+bx=b2-a2 and you have to correct your steps
  2. n.karthick

    Equation of circle in quarter/half of a circle

    If you want quarter circle you have to use either + (for positive quarter) and - (for negative quarter) in the equation you mentioned. For getting half circle both + and - ve values of equation are considered.
  3. n.karthick

    Relative velocity between two bodies

    Why cant you make an attempt to solve the problem by drawing the two vectors in a paper so that it will help you to solve the problem
  4. n.karthick

    Need to find the volume of a rounded cube.

    Is the curve describing your rounded corner a circle?
  5. n.karthick

    Simple trig problem

    I didn't get you. How you expanded tan^2 A? How will u express tan A in terms of sin A and cos A?
  6. n.karthick

    How to graph a function by transforming a graph of a function form?

    You have to choose the value of n. In order to get the given function from y=x^n, the value of n has to be taken as 2.
  7. n.karthick

    How to graph a function by transforming a graph of a function form?

    They want you to start up with graph of y=x^2 and get y=(x-3)^2, which is just shifted in x axis.
  8. n.karthick

    Solving an equation

    I will consider like this (x^2 + ax+b)^2=x^4+2ax^3+(a^2+2b)x^2+2abx+b^2 Now you have three quadratic parts. Instead of expanding and simplifying each one of them you can directly write the final expression as...
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