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The equation the line L1 is y=3x-2 and the equation of line L2 is 3y-9x+5=0. Show that these two lines are parallel.

Two lines are parallel if they have the same gradient. The general equation for a straight line is y=mx+c, where m is the gradient and c is the y-intercept. If these lines are parallel, then m will be the sa...
ZM
Answered by Zoe M. Maths tutor
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Find d^2y/dx^2 for y=4x^4−3x^3−6x^2+x

d^2y/dx^2 = 48x^2 - 18x -12
JL
Answered by John L. Maths tutor
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7^6 x 7^3

7^9
JL
Answered by John L. Maths tutor
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Simplify: 3l^2mn+nl^2m−5mn^2l+l^2nm+2n^2ml−mn^2

mn(5l^2-3nl-n)
JL
Answered by John L. Maths tutor
6967 Views

Describe the key feature of stem cells and discuss their applications in research and medicine. Please provide examples.

Stem cells are undifferentiated cells with the ability to differentiate to form specialised cells, such as erythrocytes and neurons, or to self-renew in order to repopulate and produce more stem cells. Their...
TM
Answered by Tabitha M. Biology tutor
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