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Differentiate, with respect to x, e^3x + ln 2x,

e^3x differentiates to 3e^3x as you multiply the function e^3x by the derivative of the inside function 3x. 3x differentiates to 3, so the answer is 3 multiplied by e^3x. The derivative of a natural log func...
PA
Answered by Pelumi A. • Maths tutor
13786 Views

Rearrange the following formula to make x the subject. y=4x-7

Answer: x=(y+7)/4 Workings:y=4x-7 add 7 to both sidesy+7=4x divide both sides by 4 to give the answer
MW
Answered by Megs W. • Maths tutor
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2 sides of a right-angled triangle are 5cm and 6cm. Calculate the length of the hypotenuse.

You need to use Pythagoras's theorem which states that for any right angled triangle, a 2 +b 2 =c 2 , where c is the hypotenuse and a and b are the other 2 sides of the triangle. Therefore, in this case a an...
RM
Answered by Rikesh M. • Maths tutor
9432 Views

What is the value of 64^(2/3)?

The index is 2/3 so first of all we can separate this and begin by looking at the 1/3. Fractions as indices mean that you must root the number, in this case we must cube root it because of the 3 in the denom...
SQ
Answered by Sinead Q. • Maths tutor
10158 Views

Find the first derivative of 2x^3+5x^2+4x+1 (with respect to x)

In differentiation, your goal is to reduce the power of the terms that you're differentiating with respect to (in this case, x).The method for doing this is:Multiply the power of your x term by its coefficie...
AR
Answered by Abigail R. • Maths tutor
4607 Views