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Maths Puzzle
Numerical Ability
square root x-2-8=0 using graphing utlity to slove this problem I hope someone is here is that good to solve this thank you so much
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1/(x+3) + 1/(x-3) = 1/ (x^2-9)
Find the nth term formula for the geometric sequence whose first term is 18 and whose second term is 9.