Q. If the sum of first m terms of an AP is 2m2 + 3m, then what is its second term? Q. Find the value of ‘k’ so that the zeros of the quadratic polynomial 3x2 – kx + 14 are in the ratio...
Suppose there are 'n' number of different things. You would like to 'select' or 'arrange' all or some of those things in an order. In how many unique ways can you do so? Permutations and combinations is...
AREA OF THE CIRCLE The area of a circle is the total space inside the circle. If radius of the circle = r Then, Area of the circle = πr2 sqare units Here, π=22/7=3.14 aproximately Ex:- radius...