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Maths Puzzle
Numerical Ability
Xsquared-3x-4=0
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book Other Question
If the length of a side of a square is increased by 3 centimeters, the perimeter of the new square is 40 centimeters more than twice the length of a side of the original square. F
find the solution of the exponential aquation
2^1-x = 19
in ters of logarithms or correct to four decimal places.