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f(x)=x^3 +24x+3 f'(x)=3x2+24 Since x^2>0 for all real x 3x^2+24>0 So f(x) is an increasing function
Firstly, when we need to factorise an expression like ax2 + bx + c, we should find two numbers m and n such that mn = ac and m+n = b. In this question, a = 6, b = -11, c = -10. So mn = -60 and ...
Answer: 1.96108ms-1.Snell's law tells us that n1sin(x1)= n2 sin(x2) where x is the angle of a light ray from the normal. Air can be as...
Confidence in your mathematical ability and subsequent answers in an exam is key. During an exam you should be confident with the answers that you are giving which can be achieved with steady revision and...
The 20th century scholar A. F. Pollard used the term 'sterile interlude' to describe Mary Tudor's reign. Pollard's thesis specifically meant that Mary's reign was an unproductive interruption to a Protest...
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