Original post by Sizzo1128
x^3+2x=91
solution lies between 4 and 5
Answer is 4.3? but i put 4.4 as an answer and I'm so stressed with gcse maths I had today.
what did you guys get??
solution lies between 4 and 5
Answer is 4.3? but i put 4.4 as an answer and I'm so stressed with gcse maths I had today.
what did you guys get??
Plotting the curve shows the root to be: 4.34978....
Did you remember the 2 in your iteration formula - without that it converges to 4.423...
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