Search our library of A Level questions

Top answers

All subjects

A Level

Integrate x/(x^2+2)

0.5Ln(x^2+2)+ C

3848 Views

Please correct the grammar in the following sentence:

Q: Когда я шел на магазине, я нашел книга и думал, что она была интересная.
A: Когда я шел в магазин, я нашел книгу и думал, что она была интересна.

Answered by Juliet M. • Russian tutor

1088 Views

A psychologist interviewed Zina and Amanda 5 months after witnessing a car crash to see if they could remember the same level of detail about the incident. Explain one ethical issue the psychologist must consider before interviewing Zina and Amanda.

The psychologist must consider Zina and Amanda's psychological wellbeing after witnessing the incident. Witnessing a car crash is a stressful ordeal; by recalling details of the incident Zina and Amanda c...

Answered by Hannah S. • Psychology tutor

3111 Views

f (x) = (x^2 + 4)(x^2 + 8x + 25). Find the roots of f (x) = 0

firstly, x²+ 4 = 0 x² = -4 x = 2i x = -2iSecondly, x² + 8x + 25 = 0 using the quadratic formulae: x = (-b +- sqrt(b² - 4ac))/2a x = (-8+-sqrt(64-100))/2 x = -8...

Answered by Laura S. • Maths tutor

5595 Views

Outline the research conducted by Gabbert et al into the effects of post event discussion on eye witness testimony

Gabbert et al took 120 participants and put them into pairs. He then showed each participant a video of a girl putting a book back into a University office. However, each person from the pairs could see ...

Answered by Saba A. • Psychology tutor

14276 Views