EM-1575

Substitution

E Math · Secondary 4 · Medium · Substitution

The variables

x

and

y

are connected by

y = \dfrac{1}{x^2} + \dfrac{2}{3x}

.

Find the value of

y

when

x = 3

, correct to 1 decimal place.

0.0
0.3
-0.1
-0.9

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