a. Show that (2 + 5 x) 2 can be written as 4 + kx + 25x,
Question:
a. Show that (2 + 5 √x)2 can be written as 4 + k√x + 25x, where k is a constant to be found.
b. Hence find ∫(2 + 5 √x)2 dx.
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a T o expand the expression 2 5x2 we can use the formula for expanding a binomia...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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