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Maths Puzzle
Numerical Ability
How do I solve this problem?
a - 1 / a + 1 + a + 1 / a - 1
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I need to simplify
4a^-3b3 / ab^2
twnty more than a number is-12. find the number
didnt grasp u question
but if u r sying the number then the answer is -32 i think so plz clear it to me