simplify 8x+2/2x
prime factorisation of 207
prime factorisation of 161
x $^{2}$ +x $^{2}$ +4
derivative of y=cos^2(tan(x^2))
Two quantities, n and T, are related as follows:
n = √ T .
(i) Find the value of n when T = 49.
..................................
15/100 as a oersentadge
11x^2-260x-4800=0
a number consists of two digits whose sum is 9.If 27 is added to the number the digit are reversed.Find the number
3x −2(2x +1) =−(3x −5)
