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FInd the values of x for the following equation holds: x^2-5x+6=0

Factorise (x-3)(x-2) =0 Therefore x-3=0, x=3. Also x-2=0, x=2.
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Answered by Nelson T. • Maths tutor
3443 Views

How do you convert a recurring decimal in to a fraction?

Find 3.6262 (recurring) as a fraction s=3.626262 (recurring) 100s= 362.626262 99s= 100s - s 99s=359 s=359/99
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Answered by Sidhant S. • Maths tutor
4015 Views

Implicitly differentiate the following equation to find dy/dx in terms of x and y: 2x^2y + 2x + 4y – cos (piy) = 17

Firstly remember that each part of the equation can be differentiated separately. Let's label each part: Part A: 2(x^2)y Part B: 2x Part C: 4y Part D: -cos(piy) Part E: 17 Parts B and E are easy to different...
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Answered by Nikhil K. • Maths tutor
7441 Views

Work Out (2+11/15 )-(1+1/3)

= (30/15+11/15) - (3/3+1/3) = (41/15)-(4/3) = (41/15)-(20/15) = (21/15) = (7/5)
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Answered by Jack C. • Maths tutor
3414 Views

Find two values of k, such that the line y = kx + 2 is tangent to the curve y = x^2 + 4x + 3

There will be intersection when x^2 + 4x + 3 = kx + 2. Our goal is to find the values of k which would only give one solution to this quadratic equation, which would make the lines 'tangent' to each other. F...
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Answered by Andrew N. • Maths tutor
36008 Views