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Maths Puzzle
Numerical Ability
ok i have done 21 of these and here are the ones i cant get...
Use log9^7=0.8856 and log9^4=0.6309 to evaluate each expression
log9^28
log9^49
log9^144
log9^15.75
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book Other Question
(ax3-3x2+2BX-2)-(2X3-CX2-5X-4D)=X2+X-6
FIND THE VALUE OF ABCD
how do u solve a polynomial equation for x?
Ex:8/x^2-4 + 2/x = x/x-4
the slashes are division... so it would be 8 over x squared -4 and the u add 2 over x