Find the first three terms in the expansion of:
(2a−3b)5
=32a5−240a4b+720a3b2...
If £240 is invested with an interest rate of 4% compounded quarterly, find the value of the investment after 9 years. £343.38
Here are the coordinates of 3 vertices of a square, what are the coordinates of the 4th?
(5,5),(10,9),(1,10)
(6,14)
X∼N(50,52)
Find
P(40<X<60)
0.955
Factorise:
6x2+x−1
(2x+1)(3x−1)
Describe the red region.
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