1.

If x minus 1 1 by X = 3 Evaluate x cube minus one by x cube

Answer»

Answer:

ANS:1.006

Step-by-step explanation:

(X-11)/x =3

or, x-11=3x

or, x-3x=11

or, -2x=11

or, x=-(11/2)

CALCULATION :

(x³ -1)/x³

=[{-(11/2)}³ -1]/{-(11/2)}³

={-(1331/8)-1}/{-(1331/8)}

=(-1339/8)/(-1331/8)

=(-1339/8)×(8/-1331)

=1339/1331

=1.006(ans)


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