Square ABCD is inscribed in a circle. whose radius is 4cm. Calculate the area of the square.
What is the difference between the amount of interest eamed on a principal of Tk. 100 for 2 years at 10% simple interest rate and 10% compounding interest rate?
If 0 < x ≤ 1, then which one of the following is the maximum value of (x-1)2 +x ?