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Find d^2y/dx^2 for y=4x^4−3x^3−6x^2+x

d^2y/dx^2 = 48x^2 - 18x -12
JL
Answered by John L. • Maths tutor
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7^6 x 7^3

7^9
JL
Answered by John L. • Maths tutor
3730 Views

Simplify: 3l^2mn+nl^2m−5mn^2l+l^2nm+2n^2ml−mn^2

mn(5l^2-3nl-n)
JL
Answered by John L. • Maths tutor
6949 Views

How can you solve an equation with unknowns in the denominators?

First, you should make it so that each fraction has a common denominator. This will usually be done by multiplying the numerator and the denominator of the fraction by the same expression (this is acceptable...
JR
Answered by Joshua R. • Maths tutor
3630 Views

ln(2x^2 + 9x – 5) = 1 + ln(x^2 + 2x – 15). Express x in terms of e

ln(2x 2 + 9x – 5) = 1 + ln(x 2 + 2x – 15)ln(2x 2 + 9x – 5) – ln(x 2 + 2x – 15)= 1 ln((2x 2 + 9x – 5)/(x 2 + 2x – 15)) = 1(2x 2 + 9x – 5)/(x 2 + 2x – 15) = e(2x – 1)(x + 5)/(x + 5)(x – 3) = e (2x – 1)/(x – 3)...
SF
Answered by Sylvain F. • Maths tutor
4956 Views