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Find the equation of the the tangent to the curve y=x^3 - 7x + 3 at the point (1,2)

yC=x3 - 7x + 3 ------> equation of curve.yT=mx+c ----------------> equation of tangent, where m is the gradient of the graph and c is the value of the y-intercept (t...

MB
Answered by Matthew B. Maths tutor
3469 Views

Write (1+2i) /(2-i) in form x+iy

(1+2i) (2+i)/(2+i)(2-i) = (2-2+4i+i)/5 = 5i/5 = i

RM
2854 Views

What are the German cases, and when do I use them?

There are four cases in the German language: nominative, accusative, dative, and genitive. There are different rules on when to use each specific case.Nominative: The nominative case is used for the subje...

JS
Answered by Jennifer S. German tutor
1934 Views

How would you solve the inequality x^2-2x-8 >= 0?

We are looking for all the x values for which this equation holds. We know how to solve quadratic equations without the inequalities, and that is the first step here! So let's forget about the greater tha...

KG
Answered by Kirsty G. Maths tutor
19309 Views

Intergrate 8x^3 + 6x^(1/2) -5 with respect to x

2x3 + 4x3/2 - 5x + cGeneral rule for integration is increase the power by 1 then divide by the new powerAlways remember +C !!!!!!!

TM
Answered by Tia-Marie M. Maths tutor
3456 Views

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