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Maths Puzzle
Numerical Ability
how do i solve thsi problem: 4 radical x plus 5 equals x
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(c^-r*b^s)^t/(c^t*b^-s)^r
Please solve for me
Find the domain of a. y=5x2-4x+4
b. 7=1/x2-1
c. y=x-3