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Find dy/dx when y=(3x-1)^10

We have to use the chain rule in this instance to find the differentiated value y=(3x-1)^10 suppose y=u^10 thus, dy/du = 10u^9 secondly: u=3x-1 du/dx=3 the chain rule suggests that dy/dx = du/dx *dy/du so th...
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Answered by Nimita K. • Maths tutor
4495 Views

E = {Students in Year 12} G = {Students who study German} F = {Students who study French} M = {Students who study Maths} (i) G ∩ M = Ø Use this information to write a statement about the students who study German in Year 12

Students who study German in Year 12 do not study Maths.
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Answered by Simona B. • Maths tutor
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The point P has coordinates (3, 4) The point Q has coordinates (a, b) A line perpendicular to PQ is given by the equation 3x + 2y = 7 Find an expression for b in terms of a.

The point P has coordinates (3, 4) The point Q has coordinates ( a , b )A line perpendicular to PQ is given by the equation 3 x + 2 y = 7 Find an expression for b in terms of a . let l be the gradient for th...
AI
Answered by Abi I. • Maths tutor
10810 Views

Increase 32 million by 4%. Give your answer correct to the nearest million.

(32,000,000)*1.04= 33,280,000= 33,000,000 to the nearest million.
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Answered by Simona B. • Maths tutor
10550 Views

If a 5 metre ladder is resting against a wall and the bottom of the ladder is 3 metres away from the wall, and someone pulls the bottom of the ladder away at a speed of 1 metre per second, calculate the speed of the top of the ladder after t seconds

After t seconds the distance between the bottom of the ladder and the wall is t metres. Let x denote the distance that the top of the ladder has moved after t seconds. Now use the theorem of Pythagoras to ob...
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Answered by Oliver B. • Maths tutor
3688 Views