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How do I add up the integers from 1 to 1000 without going insane?

Suppose you are asked by your teacher to sum all the integers from 1 up to 1000. You might be thinking they must hold some kind of grudge against you. If you try to calculate the sum by adding on each intege...
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Answered by Matthew B. • Maths tutor
7555 Views

What is the difference between passive and active immunity?

Active immunity is happens due to the contact of lymphocytes with pathoges (or simply their antigens), which triggers the specific immune response and immunological memory is produced (T-Memory cells created...
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Answered by Katerina T. • Biology tutor
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How can the Government improve economic growth/real GDP of a country?

Definition mark: Economic growth is the increase in real GDP Explanation: Government can use two ways of increasing economic growth; supply side policies and fiscal policies. point 1: Providing subsidies to ...
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Answered by Akshay D. • Economics tutor
21446 Views

How do you conjugate verbs in the pluperfect tense in French?

To conjugate a verb in the pluperfect tense in French, you need three parts: the subject pronoun (ie. Je, tu il, nous, vous, ils); the imperfect of avoir or être; and the past participle of the verb. It’s im...
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Differentiate y=(4x - 5)^5 by using the chain rule.

Notation: I use the ^ in the title question to indicated 'to the power of' and I use an asterisk * (or star) to indicate 'multiplied by' in the answer, to avoid confusion with the x term! Step 1) let u = 4x ...
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Answered by Joseph E. • Maths tutor
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