int(sin(arctan(x)))
FACTORIZE8(x)3 _27(y)3
(-3)3-2+8÷(-8)
⅔√27−5√12+√3=
5-4×2÷2+3
x=3,y=7 and solve the expression x!=(y-4)
Prove that for any integer
𝑛
n, the sum of the cubes of the first
n natural numbers is given by the formula:
(
∑
𝑘
=...
5(4x-2y)= 3x-4y
If there are 25 questions, each correct answer gives 2 marks, and each wrong answer deducts 0.5 marks, a student secures 37.5 mark...
Expand 2x3+7x2+x-7 in the power of (x-2)