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Find the general solution to f''(x)+ 3f'(x)+ 2f(x)=0

Firstly, I haven't seen the notation I used in alevel but I just used it for the sake of ease of typing it online.1st. Sub in the trial solution f(x)= Ae^(mx) and its derivatives- f'(x)= Ame^(mx) and f''(...

Answered by John D. • Further Mathematics tutor

3966 Views

Was the decline of the Qing dynasty inevitable?

I would first define the chronological framework for answering the question. For this question, I'd answer in reference to the period from the 1830s - 1911, as the later Qing period from the time of susta...

Answered by Naomi W. • History tutor

2579 Views

Find the median, upper and lower quartiles of these numbers: 160, 390, 169, 175, 125, 420, 171, 250, 210, 258, 186, 243

Order the data:125, 160, 169, 171, 175, 186, 210, 243, 250, 258, 390, 420Find middle observation:[125, 160, 169, 171, 175, 186] | [210, 243, 250, 258, 390, 420]Median = (186 + 210)/2 = 198Find middle obse...

Answered by Samuel L. • Maths tutor

3539 Views

A ball is released on a smooth ramp at a distance of 5 metres from the ground. Calculate its speed when it reaches the bottom of the ramp.

The ramp is smooth, so the effects of friction can be ignored. Therefore, the potential energy lost by the ball is equivalent to the kinetic energy gained by the ball. The formula for kinetic energy is 1/...

Answered by Cameron B. • Maths tutor

4424 Views

Discuss how journeys and journeying are presented in two or three of the passages. Compare and contrast them in any ways that seem interesting to you, paying particular attention to distinctive features of structure, language and style.

INTRO: In the extract from ‘The Rape of Lucrece’ (1594) by William Shakespeare, the extract from ‘Dombey and Son’ (1865) by Charles Dickens, and ‘Amor Mundi’ (1865) by Christina Rossetti, ill-fated journe...

Answered by Elara O. • ELAT tutor

1498 Views