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(x-1/2)2 = (x-1/2)(x-1/2)=x2-x+1/4, add 7/4 to get x2-x+2 therefore x2-x+2 = (x-1/2)2 + 7/4
squared numbers always positive so (x-1/2)2PMAnswered by Pearse M. • Maths tutor11951 Views
I would break this down into simple steps:
Step 1 - Equate the 2 expressions: (3 + 13x - 6x2) / (2x - 3) = Ax + B + C / (2x - 3)
Step 2 - Multiply both sides by the demoninator: 3...
The domain of the function allows us to write f(x)=xx as f(x)=eln(x^x)=ex ln(x) (since ln(x) is defined on (0,oo) only). Using the standard derivati...
12x^2 +3
Step 1: Look at formula in formula booklet provided and write out formula.
Formula: (a+b)n= an+ nc1an-1b + nC2an-1<...
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