Meritnation experts plz solve Q3 all three parts i need part 1 to part 3 i need full ans in a sheet of paper only kindly do not coppy from internet i need handwritten ans only meritnation experts. As biology meritnation experts are not answering my question so posting my doubt in maths plz i have headache problems so i need handwritten ans in a sheet of paper only all three parts not in forum kindly help me???