how cf become 5 x
Find two positive numbers xand y such that x+y=60 and xy cube is maximum
plz check

Find the zeroes of the quadratic polynomials and verify the relationship between the zeroes and the coffecients.3xsquare - 4-x
draw triangle abc,m angle abc =90,bc=4 and ac=5 than construct triangle bxy having scale factor 4 by 3