Qualification > Math

maths doubts

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cooldude:

and also one sequence i gotta doubt in this sequence-
what will be the nth term in the following sequence-
(start with n=1)


13,14,18,27,43,68

astarmathsandphysics:
13 14 18 27 43 68
    1   4   9  16  25
u(n+1)=u(n)+n^2

For the others, do you want the solution to every one?

astarmathsandphysics:
Usuuallly if they want you to solve a quadratic equation they ive you want of the roots.

astarmathsandphysics:
The only way you can do them systematically is using iteration/trial and improvement (really long method)/ bisection (also really long) or the Newton Raphson Method. There are exact methods but these are not part of IGCSE or even A level maths. Which method have you been taught to use?

astarmathsandphysics:
I will have to do it tomorrow. Something urget came up and I will be occupied for the rest of the day. There will be an announcemt tomorrow.

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