janasri041 Asked: December 2022 determine the values of a and b for which the following pair of linear equations has infinitely many solutionsthe equations are given above
janasri041 Asked: December 2022 An object is placed at a distance of 10cm f3om q convex lens of focal lenght 20cm. Find the position and nature of the image
janasri041 Asked: December 2022 find the value of k in the equation k2x2 2k 1x40 which has two equal roots